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

To do:

We have to express the given numbers as km using decimals.

Solution:

We know that,

$1\ km=1000\ m$

This implies,

$1\ m=\frac{1}{1000}\ km$

Therefore,

(a) $8\ m=8\times\frac{1}{1000}\ km$

$=\frac{8\times1}{1000}\ km$

$=\frac{8}{1000}\ km$

$=0.008\ km$

(b) $88\ m=88\times\frac{1}{1000}\ km$

$=\frac{88\times1}{1000}\ km$

$=\frac{88}{1000}\ km$

$=0.088\ km$

(c) $8888\ m=8888\times\frac{1}{1000}\ km$

$=\frac{8888\times1}{1000}\ km$

$=\frac{8888}{1000}\ km$

$=8.888\ km$

(d) $5\ m=5\times\frac{1}{1000}\ km$

$=\frac{5\times1}{1000}\ km$

$=\frac{5}{1000}\ km$

$=0.005\ km$

$70\ km\ 5\ m=(70+0.005)\ km$

$=70.005\ km$

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Updated on: 10-Oct-2022

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