Question

Express $7m$ as $kilometres$ using decimals.

Answer 1

Converting $m$ to $km$ using decimals

$1000m=1km$

$1m=\frac{1}{1000}km$ (By unitary method)

$7m=7\times \frac{1}{1000}=\frac{7}{1000}=0.007$

Hence, $7m=0.007km$.