Question
Express $8888\ m$ as km using decimal.

Answer

$8888\ m = (8000 + 888)\ m = 8000\ m + 888\ m$
$= \frac { 8000 } { 1000 } \mathrm { \ km } { + \frac { 888 } { 1000 } } \mathrm { \ km }.......[\because 1m = \frac { 1 } { 1000 }km]$
$= 8 \ km + 0.888 \ km$
$= (8 + 0.888) \ km = 8.888 \ km.$

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