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

Multiple Choice

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) $1 \mathrm {~cm} ^ { 2 }$