Question

Add and simplify.

log2 4 + log2 16

Answer 1

log2(4*16)=log2(64)=6

Answer 2

log 2 2^2+log 2 2^4= 2+4=6

Answer 3

or think this \(\log_2(4)=x\iff 2^x=4\implies \log_2(4)=2\)

Answer 4

similarly since \(2^4=16\) you know \(\log_2(16)=4\)
then you add \(2+4\)