Write the Word or Phrase That Best Completes Each Statement $\text { If } b \neq 0 \text {, then } \frac { b ^ { m } } { b ^ { n } } = b ^ { \square } \text {. }$

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
- $\text { If } b \neq 0 \text {, then } \frac { b ^ { m } } { b ^ { n } } = b ^ { \square } \text {. }$