LOGARITHMS 3

Evaluate Log10,000 -  log 0.001 -  log 0.0001

Solution

= Log10,000  -  log 0.001 -  log 0.0001

= Log10⁴ -  log 10^-3 – log 10^-4

= 4Log10 - (-3 log 10) – (-4log 10)

= (4x1) - (-3x1) - (-8x1)

=4 - (-3) – (-4)

= 4 + 3 + 4

=11

  

Hence Log10,000 -  log 0.001-  log 0.0001 = 11

TRY THIS……………………… 

Evaluate Log100,000 -  log 0.000001 -  log 0.00000001