Question
Express $5 \ kg\ 8\ g$ as $\ kg$ using decimal.

Answer

$5 \ kg\ 8\ g = 5 \ kg + 8\ g = 5 \ kg + \frac{8}{1000} \ kg ...[\because 1\ gm =\frac{1}{1000} \ kg]$
$= 5 \ kg + 0.008 \ kg$
$= (5 + 0.008) \ kg = 5.008 \ kg$

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