Answer:
Step-by-step explanation:

Answer:
1
Step-by-step explanation:
Remember that anything to the 0th power is going to be 1 in terms of exponent rules!
Answer:
c.10x90
Step-by-step explanation:
if you multiply 10 by 90 it will give you 900. i learned math a weird way. i think this only works with 10's. if you take 1 and 9 and multiply them you will get 9. then there are two zeros in total out of 10 and 90 then you add them to the 9 to get 900