Question

Помогите решить! Логарифмы

Answer 1

log2 312.5+log2 0.0004=log2 312.5*0.0004=log2 0.125=log2 1/8=-3

Answer 2

log16(4*0.5^1/5)=1/5log16(4*1/2)=0.5/0.5log2 2=1

Answer 3

log0.004log64(2*2^1/5)=log0.004 1/5 log64 4=1/2log0.2 0.2 1/3log4 4 =1/2*1/3=1/6