Question

Express as km using decimals.
(a) 8 m
(b) 88 m
(c) 8888 m
(d) 70 km 5 m

Answer 1

(a) ∵ 1 m = $\frac{1}{1000}$ km
∴ 8 m = $\frac{1}{1000}$ x 8 = 0.008 km

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(b) ∵ 1 m = $\frac{1}{1000}$ km
∴ 88 m = $\frac{1}{1000}$ x 88 = 0.088 km

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(c) ∵ 1 m = $\frac{1}{1000}$ km
∴ 8888 m = $\frac{1}{1000}$ x 8888 = 8.888 km

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(d) ∵ 1 m = $\frac{1}{1000}$ km
∴ 70 km 5m =70+ $\frac{1}{1000}$ x 5 =70.005 km