exponents and radicals evaluate:(6.25)3/2

Answer 1

6.25^(1/2) = 2.5
2.5^3 = 15.625

or, using fractions,

6.25 = 25/5

(25/4)^(3/2) = 125/8

Answer 2

15.625

Answer 3

5 to the 2nd power + b to the second power = 6.25