Pick the best choice by estimating. For metric measurements, do not attempt to convert to the U.S. system. The area of a sheet of notebook paper is:
A) $40 \mathrm {~cm} ^ { 2 }$
B) $30 \mathrm { in } ^ { 2 }$
C) $10 \mathrm {~cm} ^ { 2 }$
D) $500 \mathrm {~cm} ^ { 2 }$
E) $1 \mathrm {~cm} ^ { 2 }$

Question

Quizplus · Accepted Answer

A standard sheet of notebook paper is roughly $21 \times 30$ cm, which gives an area of $630 \mathrm{~cm}^2$. The closest estimate given is $500 \mathrm{~cm}^2$.

Pick the Best Choice by Estimating 40 cm240 \mathrm {~cm} ^ { 2 }40 cm2

Pick the Best Choice by Estimating $40 \mathrm {~cm} ^ { 2 }$