Which expression is equivalent to (21x^−2)^0 ?(1 point) Responses

(21x^12y)1
7x^27x^2
0x^2⋅21x^4
3x^2⋅(1/7)x^−2

The expression (21x^−2)^0 is equivalent to 1.

Answers

(21x^12y)1
7x^27x^2
0x^2⋅21x^4
3x^2⋅(1/7)x^−2

None of the given options are equivalent to (21x^−2)^0. The correct answer is 1.