if n = 4 ^ 11 – 4 , what is the units digit of n ?
always divide the power ( incase 11 ) by 4 and use the remainder as the new power . the question now becomes 4 ^ 3 - 4 . now 4 ^ 3 has last digit 4 . , we subtract 4 from 4 = 0 is the answer . option a
divide(log(4), log(power(4, 11)))