Question

(a^2)^1/2
how do i do problems like this?

Answer 1

\((a^b)^c=a^{bc}\)

Answer 2

just move it around?

Answer 3

\((a^2)^{\frac{1}{2}}=a^{2*\frac{1}{2}}=a^1=a\)

Answer 4

no, multiply the powers

Answer 5

this is true for \(a\ge 0\)

Answer 6

thank you

Answer 7

using some logic about what you know about squares, what do we get if \(a\) is negative?