Find one tenth, hundredth or thousandth of a whole number v2

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Question 1

What is $\frac{1}{\var{factor}} \times$ 89?

Remember that multiplying by $\frac{1}{\var{factor}}$ is the same as dividing by 100.

For example, $\frac{1}{\var{factor}} \times$ 102 = 102 ÷ 100 = 1.02

Do not use a calculator, and do not round your answer.

Expected answer:

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There's nothing more to do from here.

We need to find the answer to $\frac{1}{\var{factor}} \times$ 89.

This is the same question as 89 ÷ 100.

100 has 2 zeros and the answer must get smaller.

Therefore we move the decimal point in 89 two places to the left.

Where is the decimal point in the number 89?

The decimal point sits at the right hand end of any whole number, so 89 can be thought of as 89.00..

89.00.. ÷ 100 = 0.89

Therefore $\frac{1}{\var{factor}} \times$ 89 = 0.89.

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