Answer:
A is the answer
Explanation:
Since a and c are to the power of 8 while b and d are to the power of nine, it's between a and c
A.10*8=100000000×7= 700000000
C.10*8=100000000×7.1=710000000
A is least
A= 560
B= 630
C= 568
D= 639
If you do 7 x 10 which equals 70 then do 70 by the power of 8 which is multiplying 70 8 times, you get 560 which is the least equation/answer out of all of them.
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