Chapter 4.6, Problem 5C

To determine

To write the expression $\frac{1}{25}$ without using the fraction bar.

Answer to Problem 5C

  $5^{-2}$

Explanation of Solution

Given information: $\frac{1}{25}$

To write the expression using positive exponents.

  $\frac{1}{25}$

  $=\frac{1}{5^2}$

  $=5^{-2}$ Since 5 was in the denominator of the fraction, a negative sign can be put on its exponent and bring it up to the numerator.