LOGARITHMS 18

Evaluate Log1000000000 +  log 0.001

Solution

= Log1000000000 +  log 0.001

= Log10⁹ +  log 10^-3

= 9Log10 +  (-3log 10)

= (9x1) + (-3x1)

= 9 + (-3)

= 6

Hence Log1000000000 +  log 0.001 = 6

TRY THIS.....................................

Evaluate Log100000000 +  log 0.00001