Which expression equals (9) ^3 square root 10

Find the square root, or the two roots, including the principal root, of positive and negative real numbers ... For example, the principal square root of 9 is sqrt (9) = + 3, while the other square root of 9 is - sqrt (9) = - 3 ... For example, 4, 9 and 16 are perfect squares since their square roots, 2, 3 and 4, respectively, are integers.

The answer is B). Just did this