Question

Which expression is equivalent to mc008-1.jpg?
8|a3|
8a6
squareroot 8a^6

Answer 1

sqrt(8a^6) = sqrt(4·2·a^6) = 2·sqrt(2)·sqrt(a^6) = 2√2·|a^3| = 2√2·|a|^3.

(Include the absolute value because sqrt(a^6)=|a^3|.)