Answer:
It is number four
Step-by-step explanation: when you have a dividing one such as this you subtract the exponents which would give you 9^-5 but you can’t have a negative so make a fraction and its a positive
8.5 is the nearest one
square root of 72 is about 8.48
rounding to the nearest tenth gives you 8.5
Answer:
C
Step-by-step explanation: