Question

Вычислите: (4^(-5 )∙16^(-3))/(64^(-4)∙2^0 )



6.


​

Answer 1

5)

$\displaystyle \frac{4^{-5 }\times16^{-3}}{64^{-4}\times2^0} =\frac{64^4}{4^5 \times16^3} =\frac{4^4\times16^4}{4^5 \times16^3} =0,25\times16=4$

6)

$\displaystyle \bigg(\frac{5x^{-2}}{6y^{-1}} \bigg)\times125x^{-6}y^5=\frac{625x^{-8}y^6}{6}=\frac{625y^6}{6x^8}$