Question

A stack of 500 pieces of paper is 1.654 inches tall. Mulan guesses that each piece of paper is 0.045 inches thick. Explain how you know that Mulan's answer is not correct. What does this tell you about the actual thickness?

Answer 1

Given :

A stack of 500 pieces of paper is 1.654 inches tall.

Mulan guesses that each piece of paper is 0.045 inches thick.

To Find :

The actual thickness of paper and how is Mulan's answer is incorrect.

Solution :

Let, actual thickness is t.

So,

$t = \dfrac{1.654}{500}\ inches\\\\t = 0.003308\ inches$

So, actual thickness is 0.003308 inches.

Therefore, the Mulan's answer is incorrect.