Question

How do you convert 45 centimeters to kilometers?

Answer 1

`54` cm `= 5.4xx10^(-4)` km

Explanation:

`100` cm `= 1` m `rarr 1` cm`=10^(-2)` m

`1000` m `= 1` km `rarr 1` m `= 10^(-3)` km `rarr 1` cm `= 10^(-5)` km

`54` cm `= 54xx10^(-5)` km `= 5.4xx10^(-4)` km