LOGARITHMS 19

Evaluate    Log46 +  Log5000  -  Log23

                       

Solution

=    Log46 +  Log5000  -  Log23

= Log(46x5000)

                    23

= Log(¹230000)

                    123

= Log₁₀10000

= Log₁₀10⁴

= 4Log₁₀10

= 4 x 1

= 4

Hence Log46 +  Log5000  -  Log23 = 4

TRY THIS………..

Evaluate  Log3400 +  Log600  -  Log0.204