Question

Evaluate each logarithm.
Log(subscript2)16

The answer is 4

Answer 1

that is because \[log_2(16)\] means the number you raise 2 to to get 16 and\[2^4=16\]

Answer 2

\[log_2(x)=y\] same as \[2^y=x\]

Answer 3

Thank you! Now I get it!! :D

Answer 4

wait what about \[\log_{81}9 \]?

Answer 5

81 to what power is 9? sqrt(81)=9 so 81^1/2=9

so our answer is 1/2

Answer 6

OH. thanksssssss!