Subtract the powers
c. 9-7 so 10^2
d. 8-1 so 5^7
The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.
Where is the picture? If you could add your picture I’d be glad to help you!! :)
Answer:
A
Step-by-step explanation:
Luis because the sample is taken from the population of all seventh graders.