Question

Select the expression that is equivalent to (7 x^2 y^3 )4

7 x 8 y 12


7 4 x 6 y 7


7 x 6 y 7


7 4 x 8 y 12

Answer 1

`(7x^2y^3)^4`

Distribute the ^4 exponent to all the terms, so,

`(7x^2y^3)^4=7^4.x^((2.4)).y^((3.4))`

`(7x^2y^3)^4 = 7^4.x^8.y^(12)`