Chapter 4.6, Problem 7C

To determine

To write the expression $\frac{2}{a^8}$ without using the fraction bar.

Answer to Problem 7C

  $2a^{-8}$

Explanation of Solution

Given information: $\frac{2}{a^8}$

To write the expression using positive exponents.

  $\frac{2}{a^8}$

  $=2a^{-8}$ after changing position of ‘a’ in the fraction, the sign of the exponent reverses for positive to negative and vice versa.