Test: Logarithms II - Challenging

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Question 1:   Find x : 2= log 8 x
256
64
49
16
Question 2:   Find x : x= log 3 243
27
5
81
9
Question 3:   Solve log 2 8+ log 8 2
4
16
1
3 1 3
Question 4:   Express log 7 x as multiple of log 10 x
log 10 x log 3 x
log 10 x log 3 x
log 10 x log 7 10
log 10 x log 3 x
Question 5:   Express log 4 17 in terms of the logarithms base 10
17 log 10 4
log 10 4/ log 10 17
log 10 17/ log 10 4
4 log 10 17
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