Question

Express in km using decimals:

(i) 65 m
(ii) 284 m
(iii) 3 km 5 m

Answer 1

We have:

(i) 65 m = $\frac{65}{1000}$ km = 0.065 km
∴ 65 m = 0.065 km

(ii) 284 m = $\frac{284}{1000}$km = 0.284 km

(iii) 3 km 5 m = $\left(3+\frac{5}{1000}\right)=\left(3+0.005\right)=3.005\mathrm{km}$