Question

Find the value of [15^91 × 15^38] ÷ [15^115 ÷ 1562]

Answer 1

$\frac{15^{91} \times 15^{38}}{\frac{15^{115}}{1562}}\\\\=15^{91+38}\times\frac{1562}{15^{115}} \\\\= 15^{129}\times\frac{1562}{15^{115}}\\\\=\frac{15^{129}}{15^{115}}\times1562\\\\=15^{14}\times1562$