Question

1.6.3 Quiz: Square RootsQuestion 4 of 10When you raise a number to the power with the exponent 1/2, you getits____. A. root B. square rootC. principal square rootD. Half value

Answer 1

Solution:

From the laws of exponents,

$a^{\frac{1}{n}}=\sqrt[n]{a}$

Thus, when you raise a number to the power with the exponent 1/2, let the number be a.

This implies

$a^{\frac{1}{2}}=\sqrt{a}$

Hence, when you raise a number to the power with the exponent 1/2, you get its square root.

The correct option is B