document.write( "Question 700262: I am doing a practice apptitude test and have a question which is 3*=81 what is the value of * , they say the answer is 4 .I am having trouble understanding this. Could you please explain this to me? Thankyou, Its been a long time since school for me. \n" ); document.write( "
Algebra.Com's Answer #431754 by mananth(16946)\"\" \"About 
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prime factors of 81 are 3*3*3*3\r
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\n" ); document.write( "\n" ); document.write( "3*3*3*3=81\r
\n" ); document.write( "\n" ); document.write( "so 3^4= 81\r
\n" ); document.write( "\n" ); document.write( "3^*=4=3^4\r
\n" ); document.write( "\n" ); document.write( "*=4
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