Which of the following is equivalent to four raised to the power of negative two.?

To raise a number n to a negative power you simply take the fraction 1/n and raise it to the (positive) power you want.

So 2^-2 is ¼.

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²