[tex] {4}^{ - 2} \div {10}^{ - 1} = \\ \\ \frac{1}{16} \div \frac{1}{10} = \frac{1}{16} \times \frac{10}{1} = \\ \\ \frac{10}{16} = \frac{5}{8} \\ \\ \huge\boxed{ \tt\frac{BURNS}{answers}}[/tex]
