Question

20^-4.8*5^6.8/4^-5.8

Answer 1

$\frac{20 ^{-4,8}*5 ^{6,8}}{4 ^{-5,8} }= \frac{4 ^{-4,8}*5 ^{-4,8} *5 ^{6,8}}{4 ^{-5,8} }= 4 ^{-4,8+5,8} *5 ^{-4,8+6,8} =4*5 ^{2}=4*25=$$100$