document.write( "Question 325606: 4^11 x 5^21 = 2 x 10^n\r
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document.write( "what is the value of n using simplified calculation? \n" );
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Algebra.Com's Answer #233136 by AAfter Search(61)![]() ![]() ![]() You can put this solution on YOUR website! 4^11 x 5^21 = 2 x 10^n \n" ); document.write( "=> (2^2)^11 x 5^21 = 2^1 x (2x5)^n \n" ); document.write( "=> 2^22 x 5^21 = 2^(1 + n) x 5^n \n" ); document.write( "=> Comparing the exponents of 5 on both sides of equality sign, we get n = 21. \n" ); document.write( "The same result is found from the exponent of 2. \n" ); document.write( " |