Answer:
C.
Step-by-step explanation:
(6^7)^3 means (6^7)(6^7)(6^7).
When multiply numbers with same base, add the exponents.
6^(7+7+7)=6^(3*7)=6^(21).
In the beginning you could have just multiply 7 and 3 so the answer is 6^(21).
Answer:
40m^2 152.6m^2
Step-by-step explanation:
Answer:
counted down
Step-by-step explanation:
it was counting up and went down by couting down in 2