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Mathematics
Anahi Holmes
21 February, 11:46
Solve log 1/100 = log (10x + 2).
A. x = - 4
B. x = 4
C. x = 0
D. x = - 2
+2
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Marlon Watts
21 February, 14:59
0
Your answer would be Dx=-4.
Here is why: log implies that the base is 10log10n=nlog10=n
Using the above two facts, you will be able to get:
1100 = 10 - 2, so log (1100) = - 2
log10 x+2 = x+2
x+2=-2, so x = - 4
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