Law of Indices
Logarithm
Laws
100

40 is 

one

100

what does the a meaning in  logax

a= base

100

Division Law

once the bases are the same powers should be subtracted

200

10/  105=

102=100

200

Evaluate log28=

3

200

•The multiplication of two logarithmic values is equal to the addition of their individual logarithms.

Product Rule

300

3m2 x 4m7=

3 x 4 x m2+7= 12m9

300

The exponential form of log9x = 3 is

x=93

300

which law states that when the bases are the same the powers must be added

multiplication Law

400

logbx=y in index form is

by=x

400

log28+log24=

=5   

  log28=23

   log24=22

   therefore 3+2=5

400

Quotient Rule

The division of two logarithmic values is equal to the difference of each logarithm.

500

93=729  in log form is

log9729=3

500

solve for the value of x for log3 x= log3 4+ log3 7

 x= 28.

500

Logb (mn) = n logb m demonstrate the 

Power Rule

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