1
-1
23
-23
Correct answer is B
log50.04log318−log32
= log50.04log3(182)
= log50.04log39
= −22
= -1
Let log5 0.04 = x
5x = 0.04
x = 4100 = 5-2
Let log3 9 = z
32 = 32
z = 3
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