Test: Logarithms II - Challenging

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Question 1:   Find x : 2= log⁡ 8 x
49
256
16
64
Question 2:   Find x : x= log⁡ 3 243
9
27
5
81
Question 3:   Solve log⁡ 2 8+ log⁡ 8 2
3 1 3
4
1
16
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
log⁡ 10 17/ log⁡ 10 4
log⁡ 10 4/ log⁡ 10 17
17 log⁡ 10 4
4 log⁡ 10 17
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