Describe the method you would use to find the thickness of a sheet of paper of your science book.

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Solution

It is not easy to measure the thickness of a single sheet of paper by using metre scale. The method used to find the thickness of a single sheet is as follows:

Take 100 sheets of paper together. Find their combined thickness by using a centimetre scale. Divide the total thickness by the number of sheets. It is the thickness of a single sheet.
For example: If the thickness of 100 sheets = 1.5 cm.

Thickness of a single sheet
$= \frac{1.5}{100} = 0.015 c m o r 0.15 m m$

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Q. In a stack, there are

5

books, each of thickness

20 m m

and

5

paper sheets each of thickness

0.016 m m

. What is the total thickness of the stack.

Q. In a stack, there are

5

books each of thickness

20 m m

and

5

paper sheets each of thickness

0.016 m m

. What is the total thickness of the stack?

Q. In a stack, there are

5

books each of thickness

20

mm and

5

paper sheets each of thickness

0.016

mm, the total thickness of the stack is

1.0008 \times 10^{k}

mm.

F i n d k

hannah writes a recipe book. the recipe book uses 36 sheets of paper. she wants to produce 75 copies of the book. there are 500 sheets of paper in one pack. how many packs of paper does she need?

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