SOLUTION: Hello, I finished school what seems like years ago. I have signed up to try and woth for the airforce as an officer. My maths is really rusty. There is a problem in one of their te

Question 181260: Hello, I finished school what seems like years ago. I have signed up to try and woth for the airforce as an officer. My maths is really rusty. There is a problem in one of their test papers which i dont understand. Its probably very simple.
3to the power of x = 81
I cant put the x above the 3 not sure how to enter that into a computer. Do you have any recommendations about reviving previous knowledge i have with maths?
thanks
Jesse
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!

by inspection, we can see that the answer is 4 because:

Review the section in you math book or search the internet for logarithms. This will help you to solve problems like the one above.

Hope this helps---ptaylor
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