Which expression is equivalent to (2x^4y)^3?

Answer 1

OK, I think the expression is:

(2x⁴y)³

There are three terms in the expression: 2, x⁴, and y. You need to cube them all:

= 2³·(x⁴)³·y³

When you raise a power to a power, as in (x⁴)³, you multiply the exponents:

= 8x¹²y³