Question

Express $25cm$ as $metres$ using decimals.

Answer 1

Converting $cm$ to $\left(metre\right)m$ using decimals

$100cm=1m$

$\therefore 1cm=\frac{1}{100}m$ (By unitary method)

$\therefore 25cm=25\times \frac{1}{100}=\frac{25}{100}=0.25$

Hence, $25cm=0.25m$.