Question

which expressions are equivalent? choose all that apply

7 x 7 x 7
7 to the fourth power
4 to the seventh power
7^4
28

Answer 1

7 x 7 x 7, 7 to the fourth power, 7^4

Answer 2

evaluate the expression 81 - 8^2

81 - 8^2 = ?

Answer 3

81 - 8^2 = 81 - 64 = 17