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Calculate the product of two randomised scientific notation numbers and give the answer in scientific notation.

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Part of HELM Book 1.2

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Use your calculator to find 

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Multiply the two numbers together:

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\\[\\begin{align*} \\var{expr}&= (\\var{b1}\\times\\var{b2}) \\times(10^{\\var{i1}}\\times 10^{\\var{i2}})\\\\ &= (\\var{b1*b2})\\times 10^{(\\var{i1}+\\var{i2})}\\\\ &=\\var{b1*b2}\\times 10^{\\var{i1+i2}}\\\\ \\textrm{Now adjust if necessary so that}&\\textrm{ there is exactly one digit in front of the decimal point:}\\\\ &=\\var{base}\\times 10^{\\var{idx}}\\end{align*}\\]

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$\\var{Expr}$ = [[0]] $\\times 10$[[1]]

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