# How do you convert 0.045 km into cm?

May 9, 2017

I got $4 , 500 c m$

#### Explanation:

You know that in $1 k m$ you have $1000 m$ and in $1 m$ $100 c m$

so:

$1 k m$ is $1000 \cdot 100 = 100 , 000 c m$

giving:

$0.045 \cdot 100 , 000 = 4 , 500 c m$