Question

simplify (3^7 ÷ 3^10) × 3^-5​

Answer 1

$\frac{ {3}^{7} }{ {3}^{10} } \times {3}^{ - 5 } = \\ \frac{ {3}^{7} }{ {3}^{10} } \times \frac{1}{ {3}^{5} } \\ = \frac{1}{ {3}^{8} }$