Question

The surface area of a piece of paper is 137 cm2. Use the fact that 10 mm = 1 cm to convert this area to mm2. Give your answer as a number. Do not type the units in the space below.

Answer 1

The surface area of a piece of paper is $13700\ mm^2$

Solution:

surface area of a piece of paper = 137 sq cm

Use the fact that 10 mm = 1 cm to convert this area to mm^2

$1\ cm = 10\ mm$

Then,

$1\ cm^2 = 100\ mm^2$

Convert  137 sq cm to sq mm

$137\ cm^2 = 137 \times 100\ mm^2\\\\137\ cm^2 = 13700\ mm^2$

Thus, surface area of a piece of paper is $13700\ mm^2$