Question

by what number should (-4)^-2be multiplied so that the product may be equal to 10^-2​

Answer 1

Let, x be multiplied to (−3)

−2

so that the product is equal to 9.

.e., (−3)

−2

×x=9

⟹

(−3)

2

1

×x=9

⟹

9

1

×x=9

⟹x=9×9

∴x=81