document.write( "Question 399104: if 5 to the second power times 5r equals 225, what is r? \r
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Algebra.Com's Answer #282879 by algebrahouse.com(1659)\"\" \"About 
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5^2(5r) = 225
\n" ); document.write( "25(5r) = 225 {took 5^2 to be 25}
\n" ); document.write( "125r = 225 {multiplied 35 by 5}
\n" ); document.write( "r = 1.8 {divided both sides by 125}
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