It would be log(81) because of the power rule...
B is the answer fam because I did this before and b was the answer
Answer:
The square root of 160 is between 12 and 13 because 12x12=144 but 13x13=169. 160 is on between these so it must be between 12 and 13.
40 is a square root of 1600 because the equation looks like this:
40x40 It has 2 zeros, so the answer also has 2 zeros. Hence why it is 1600 not 160.
A = 6.7 :) hope this helps I double checked