// Numbas version: exam_results_page_options {"name": "00b - Engineering Arithmetic: 001", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"variablesTest": {"maxRuns": 100, "condition": ""}, "ungrouped_variables": ["abc1", "P1", "P2", "P3", "d1", "d2", "e1", "f1", "g1", "g2", "a", "b", "c", "d", "e2", "g"], "name": "00b - Engineering Arithmetic: 001", "variables": {"g": {"templateType": "anything", "description": "", "definition": "{g1}^{g2}", "group": "Ungrouped variables", "name": "g"}, "d1": {"templateType": "randrange", "description": "", "definition": "random(35 .. 55#1)", "group": "Ungrouped variables", "name": "d1"}, "d2": {"templateType": "randrange", "description": "", "definition": "random(2 .. 3#1)", "group": "Ungrouped variables", "name": "d2"}, "e2": {"templateType": "anything", "description": "", "definition": "{e1}^(2)", "group": "Ungrouped variables", "name": "e2"}, "b": {"templateType": "anything", "description": "", "definition": "{abc1}^{P2}", "group": "Ungrouped variables", "name": "b"}, "abc1": {"templateType": "randrange", "description": "", "definition": "random(3 .. 9#1)", "group": "Ungrouped variables", "name": "abc1"}, "P2": {"templateType": "anything", "description": "", "definition": "random(3..6 except P1)", "group": "Ungrouped variables", "name": "P2"}, "P1": {"templateType": "randrange", "description": "", "definition": "random(2 .. 5#1)", "group": "Ungrouped variables", "name": "P1"}, "f1": {"templateType": "randrange", "description": "", "definition": "random(1001 .. 3455#1)", "group": "Ungrouped variables", "name": "f1"}, "e1": {"templateType": "randrange", "description": "", "definition": "random(201 .. 269#1)", "group": "Ungrouped variables", "name": "e1"}, "P3": {"templateType": "anything", "description": "", "definition": "random(3..9 except P1 except P2)", "group": "Ungrouped variables", "name": "P3"}, "c": {"templateType": "anything", "description": "", "definition": "{abc1}^{P3}", "group": "Ungrouped variables", "name": "c"}, "a": {"templateType": "anything", "description": "", "definition": "{abc1}^{P1}", "group": "Ungrouped variables", "name": "a"}, "g1": {"templateType": "randrange", "description": "", "definition": "random(-2 .. -6#1)", "group": "Ungrouped variables", "name": "g1"}, "d": {"templateType": "anything", "description": "", "definition": "{d1}^{d2}", "group": "Ungrouped variables", "name": "d"}, "g2": {"templateType": "randrange", "description": "", "definition": "random(3 .. 7#2)", "group": "Ungrouped variables", "name": "g2"}}, "variable_groups": [], "parts": [{"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{abc1}^{P1}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{abc1}^{P1}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{abc1}^{\\var{P1}}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{abc1}^{P2}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{abc1}^{P2}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{abc1}^{\\var{P2}}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{abc1}^{P3}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{abc1}^{P3}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{abc1}^{\\var{P3}}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{d1}^{d2}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{d1}^{d2}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{d1}^{\\var{d2}}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{e1}^{2}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{e1}^{2}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{e1}^{2}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "1", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "1", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$\\var{f1}^{0}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}, {"showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "sortAnswers": false, "customName": "", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 0, "gaps": [{"correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacements": [], "allowFractions": false, "maxValue": "{g1}^{g2}", "correctAnswerStyle": "plain", "variableReplacementStrategy": "originalfirst", "unitTests": [], "marks": 1, "minValue": "{g1}^{g2}", "useCustomName": false, "mustBeReduced": false, "customName": "", "showFractionHint": true, "mustBeReducedPC": 0, "type": "numberentry", "extendBaseMarkingAlgorithm": true, "scripts": {}, "showCorrectAnswer": true, "customMarkingAlgorithm": "", "notationStyles": ["plain", "en", "si-en"]}], "useCustomName": false, "extendBaseMarkingAlgorithm": true, "type": "gapfill", "prompt": "

$(\\var{g1})^{\\var{g2}}=$[[0]]

", "scripts": {}, "customMarkingAlgorithm": ""}], "advice": "

a)   $\\var{abc1}^{\\var{P1}}= \\var{abc1} \\times\\var{abc1} \\times... (\\var{P1}  \\text{ times}) = \\var{a}$

\n

b)   $\\var{abc1}^{\\var{P2}}=  \\var{abc1} \\times\\var{abc1} \\times... (\\var{P2}  \\text{ times}) =\\var{b}$

\n

c)   $\\var{abc1}^{\\var{P3}} = \\var{abc1} \\times\\var{abc1} \\times... (\\var{P3}  \\text{ times}) =\\var{c}$

\n

d)   $\\var{d1}^{\\var{d2}} = \\var{d1} \\times\\var{d1} \\times... (\\var{d2}  \\text{ times}) =\\var{d}$

\n

e)  $\\var{e1}^{2}=\\var{e1} \\times \\var{e1} =\\var{e2} $

\n

f)   Any number to the power of  $0$  is equal to  $1$,  so  $\\var{f1}^{0}=1$

\n

g)   $(\\var{g1})^{\\var{g2}}=\\var{g}$

\n

      Notice that an odd power of a negative number gives a negative answer.

", "statement": "

Evaluate the following:

", "preamble": {"css": "", "js": ""}, "rulesets": {}, "tags": [], "functions": {}, "extensions": [], "metadata": {"description": "

Indices and Roots

Questions based on Exercise Intro(b) from the Textbook \"Engineering Maths through Applications\" by Kuldeep Singh.

Intended for use as Homework Exercises.Indices and Roots

", "licence": "Creative Commons Attribution 4.0 International"}, "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}]}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}