Question

$300c{m}^2=\underset{–}{}$.

• A. $3m^2$
• B. $0.03m^2$
• C. $0.003m^2$
• D. $0.0003m^2$

Answer 1

The correct option is B $0.03m^2$

From basic unit conversions,
$100cm=1m$
Squaring both sides,
$100\times 100c{m}^2=1\times 1m^2$
$⟹1c{m}^2=\frac{1}{10000}{m}^2$
$300c{m}^2=\frac{300}{10000}$
$300c{m}^2=0.03m^2$