Friday 28 April 2017

LOGARITHMS 19




Simplify        Log0.0000001
                        Log(1/100)

Solution

=    Log0.0000001
       Log(1/100)

=    Log10-7
       Log100-1

=    Log10-7
       Log(102)-1

=    Log10-7
       Log10-2

=    -7Log10
       -2Log10

=    -7
       -2

=    7/2


Hence           Log0.0000001         =  7/2
                        Log(1/100)

TRY THIS.....................................
Simplify        Log0.001
                    Log(1/1000)
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