If you want to estimate to the tens, the answer is 680
If you want to estimate to the hundreds, the answer is 700
If you want to estimate to the thousands then the answer would be not an answer
The real answer without estimating is 681
Your answer is A: n is more than 9. I hope I helped!☺☺
The radius is 5cm
Step-by-step explanation:
The surface area of a sphere is given by:

Here
Given
SA = 100π cm^2
Putting the values in the formula

Taking square root on both sides

The radius is 5cm
Keywords: Surface area, Radius
Learn more about surface area of sphere at:
#LearnwithBrainly
The answer to this question is a and c only
After 6 years, the hourly rate should be 34.69 (or something around that since you may want to round)