### Home > GB8I > Chapter 2 Unit 2 > Lesson INT1: 2.2.2 > Problem2-59

2-59.

Which of the expressions below are equivalent to $16x^8$? Make sure you find all the correct answers!

1. $(16x^4)^2$

• $(16x^4)(16x^4)$

$256x^8$

1. $8x^2·2x^6$

• $16x^8$

1. $(2x^2)^4$

• $(2x^2)(2x^2)(2x^2)(2x^2)$

$16x^8$

1. $(4x^4)^2$

• $(4x^4)(4x^4)$

$16x^8$

1. $(2x^4)^4$

• $(2x^4)(2x^4)(2x^4)(2x^4)$

1. $(\ \frac{1}{16}x^{−8})^{−1}$

• A negative exponent means that the fraction and the variable must be reciprocated (flipped).