15 cm equals how many millimeters

Question

this is really cacheing me up in class please help

 

Answer 1

1 millimeter = 1 × 10^-3  m

 

1 centimeter = 1 × 10^-2  m

 

 

We can convert the given measurements using scientific notation.

 

15 × 10^-2 m =  150 × 10^-3 m

 

15 centimeters = 150 millimeters