Page 29 - INDICES AND LOGARITHMS

EXAMPLE

Convert 16 = 2 into logarithm form:
4

Solution

4
16=2

log 16 = 4
2

1.699 into logarithm form:
Convert 50 = 10

Solution

1.699
50=10

log 10 50 = 1.699

Find the value of log 10 1000

Solution

Let x = log 10 1000
10 =1000
x
x 3
10 =10
x = 3

Find the value of log 128
2

Solution

Let x = log 128
2
2 =128
x
x 7
2 =2
x = 7

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