Question

Which expression is the simplified form of the square root of 49a^4

7a

7a^2

7a * the square root of a

7a^2 * the square root of a

Answer 1

\[\large \sqrt{49a^4} = \sqrt{7 \times 7 \times a^2 \times a^2} =7a^2\]

Answer 2

okay thats what i thought, just checking. thank you!

Answer 3

It is okay..

Have faith on yourself..