document.write( "Question 1155414: Hello, can someone please help me with this problem:
\n" ); document.write( "Use the properties of exponents to rewrite y=4e^{-0.5t} in the form y=a(1+r)^t or y=a(1-r)^t . Round the value of r to the nearest thousandth. Then find the percent rate of change to the nearest tenth of percent.\r
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Algebra.Com's Answer #777989 by ikleyn(52832) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "y = 4*e^(-0.5t) = 4*(e^(-0.5))^t.\r\n" );
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document.write( "e^(-0.5) = 2.71828^(-0.5) = 0.6065 = 1 - 0.3935.\r\n" );
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document.write( "Therefore,\r\n" );
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document.write( "y = 4*e^(-0.5t) = 4*(e^(-0.5))^t = 4*(1-0.3935)^t\r\n" );
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document.write( "is that presentation (that formula), you are looking for.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved, explained, answered and completed.\r
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