Aladybugs length measures 2cm express this measurement in meters explain your thinking include an equation with an exponent in your explanation

All we really need to do here is to convert 2 cm to meters.  There are 100 cm in 1 meter, so the appropriate cm to meters conversion factor is 

1 meter

100 cm

Thus, 

2 cm       1 m
* = (1/50) m = 0.02 m      or  2.0*10^(-2) m     (answer)
    1        100 cm

Ithink the answer is b