Answer
0.9063
Step-by-step explanation:
(100.7)*(0.009)
Answer:

Step-by-step explanation:
When simplifying an exponent a way to do is to expand the exponent. This means that it will now be

Whenever you see an x or y on the numerator and denominator cross it out because it is the same thing as 1
When you cross out all of the x's and y's the only variable left is y in the denominator. This means that the answer is 
480
This is this awnser because its 120 a second, for 4 seconds so 4 times 120 = 480.