4^2

To find the answer to 4^2, you need to raise the base value of 4 to the exponent of 2. In this case, the base value is 4 and the exponent is 2, which means you need to multiply 4 by itself 2 times.

So, 4^2 is calculated as: 4 x 4 = 16.

Thus, 4^2 is equal to 16.