Question

Please help. I took this once and its not C.

Answer 1

sqrt10*sqrt8
convert to exponent form: \[10^{1/2}*8^{1/2}=(10*8)^{1/2}=\sqrt{10*8}=simplify\]

Answer 2

\[\sqrt{10*8}=\sqrt{80}=\sqrt{16*5}=\sqrt{4*4*5}=4\sqrt5\]

Answer 3

@AlexandervonHumboldt2 thanks (:

Answer 4

you were right originally, but you forgot to simplify as the question says "simplify"

Answer 5

@shamil98 ahh okay (: