Question

0.25^-4.5:125^3•75^3•15^5•(136)^4

Answer 1

$=(frac{1}{4})^{-4,5}:5^9*(5^6*3^3)*(5^5*3^5)*(frac{1}{2^8}*frac{1}{3^8})=\\=frac{2^9}{5^9}*5^{11}*3^8*(frac{1}{2^8}*frac{1}{3^8})=frac{2^9*3^8*5^{11}}{2^8*3^8*5^{9}}=50$