If m=(-8)4and n= (-8)7, then
A
m is greater than n
B
m is smaller than n
C
m is equal to n
D
all of these
Correct Answer: m is greater than n
m = ( - 8)4 = ( - 1)4 (8)4 = 84n = ( - 8)7 = ( - 1)7 (8)7 = - 87∴ m is greater than n