Posted by **Anonymous** on Saturday, November 6, 2010 at 2:19pm.

1. Write the given expression as a single logarithm.

log(70x)+log(10y)-2

2. Write the given expression as a single logarithm.

ln7e/(square root 2x)-ln(square root 2ex)

3. Write the given expression as a single logarithm.

-2Ln(x)+Ln(4y)-Ln(5z)

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