Saturday 16 December 2017

LOGARITHMS 2


Evaluate Log100 -  log 0.001 +  log 0.0001

Solution

= Log100 -  log 0.001 + log 0.0001

= Log102 -  log 10-3 + log 10-4

= 2Log10 - (-3 log 10) + (-4log 10)

= (2x1) - (-3x1) + (-4x1)

=2 - (-3) –4

= 2 + 3 - 4

=1
  
Hence Log100 -  log 0.001+  log 0.0001 = 1


TRY THIS……………………… 



Evaluate Log100 -  log 0.000001 +  log 0.00000001

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