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)![]() ![]() You can put this solution on YOUR website! prime factors of 81 are 3*3*3*3\r \n" ); document.write( " \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 \n" ); document.write( " |