Answer:
b. 
Step-by-step explanation:
Here we are given
and are asked to simplify it. We are going to apply the law of exponents which says that

Hence applying this rule in our problem we get, where a=y and n=3

Hence our C) Option is correct
Answer:
B
Step-by-step explanation:
3 x -3 is -9
-2 x 4 is -8
-9 x -8 is 72
Answer:
11
Step-by-step explanation:
33÷3= 11
11 shows every month
Answer:
the answer is on photomath
Answer: V= 4500m^3
Explanation:
V= length x width x height
V = 600 x 3 x 2.5
V = 600 x 7.5
V = 4500