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If 3* = 81, then what is the value of * ?

What is the quickest way to work this type of question out?
Question asked by: emma00

Asked on: 07 May 2008

The answer is that you divide 81 by 3 in order to get 27.
By: knowitall
Replied at: 25 Aug 2008
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Comments and other answers:

To find the value of * in 3*=81 need to know the power in which 3 would be raised to give 81. The number is 4, therefore: 3*=81; 3*=3^4, canceling out three from both sides we have *=4.
By: goodboy

Date of comment: Fri, Jan 2nd 2009

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