1.

(i) Express 5 cm in metre and kilometre (ii) Express 35 mm in cm, m and km

Answer» We know,
`10mm = 1cm`
`100cm = 1m`
`1000m = 1km`

So,
(i) `5cm = 5/100m = 0.05 m`
`5cm = 5/100m = 0.05/1000km = 0.00005km`

(ii)`35mm = 35/10cm = 3.5cm`
`35mm = 35/1000m = 0.035m`
`35mm = 35/1000m = 0.035/1000km = 0.000035km`


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