Question

Log 5 = 0.69897, log 3 = 0.47712 and log 2 = 0.30103. evaluate log 4 and log 15​

Answer 1

Answer: log4=0.60206 log15=1,17579

Explanation:

`log4=\\log2^2=\\2log2=\\2(0.30103)=\\0.60206\\\\log15=\\log(3*5)=\\log3+log5=\\0.47712+0.69897=\\1.17579`