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For non-zero numbers a and b, $\big(\frac{\text{a}}{\text{b}}\big)^{\text{m}}\div\big(\frac{\text{a}}{\text{b}}\big)^{\text{n}}$ where $m > n$, is equal to:

• A
  $\Big(\frac{\text{a}}{\text{b}}\Big)^{\text{mn}}$
• B
  $\Big(\frac{\text{a}}{\text{b}}\Big)^{\text{m+n}}$
• ✓
  $\Big(\frac{\text{a}}{\text{b}}\Big)^{\text{m-n}}$
• D
  $\bigg(\Big(\frac{\text{a}}{\text{b}}\Big)^{\text{m}}\bigg)^{\text{n}}$