Respuesta :

a. 4^-1 is the reciprocal so 1/4 or 0.25

b. 7^0 is 1 as any number to the power of 0 is 1

c. 5^-2 is the reciprocal squared so 1/5^2 = 1/25

d. Similar to (c), the reciprocal squared is 1/x^2