Question

If log 8=0.90find the value of log 0.125

Answer 1

Log8=0.9
3log2=0.9
log2=0.3
log.125=?
log(125x 10⁻³)
log125 +log10⁻³
3log5-log10
-3(log5/10)
-3(log1/2)
-3(log1-log2)
-3(0-log2)
3log2=log8=0.9