Question

Find the difference. Write your answer in scientific notation. (6.33×10−9)−(4.5×10−9)=

Answer 1

Answer:

1.83×$10^{-9}$

Step-by-step explanation:

The exponent on the base of ten is -9 for both.  The easiest way to do this when that is the case is to factor it out:

$10^{-9}(6.33-4.5)$

and then perform the subtraction to give you

1.83×$10^{-9}$