Question

$15^{3} : 5^{4} * 9$Вычислите значения выражения

Answer 1

$\displaystyle \frac{15 {}^{3} }{5 {}^{4} } \times 9 = \frac{(3 \times 5) {}^{3} }{5 {}^{4} } \times 9 = \frac{3 {}^{3} \times 5 {}^{3} }{5 {}^{4} } \times 9 = \frac{27}{5} \times 9 = \frac{243}{5} = 48 \frac{3}{5} = 48.6$