SOLUTION: Solve for x Log of 2 2^x-5=5 I have x=7.32 Lne^-2x=-10 I have X=1.61 3^x = 30 I have 3.096 Use change of base formula and a clculator to approximate each logarith

Question 43697: Solve for x
Log of 2 2^x-5=5 I have x=7.32
Lne^-2x=-10 I have X=1.61
3^x = 30 I have 3.096 Use change of base formula and a clculator to approximate each logarithm to 3 decimal places.
Log of 5 1.256 I have =0.142
Log(-7)= can't take lof of a negative number.
Please help.
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!

About 3.096

About 0.142

Ten to any power will not equal a negative number. The closest you can get to a negative number is by , but the result is only a small fraction that is positive.
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