document.write( "Question 116569: Write 6.92 x 10 to the -5 power in standard form. \n" ); document.write( "

Algebra.Com's Answer #84736 by Edwin McCravy(20062) $\"\"$ $\"About$

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Write 6.92 x 10 to the -5 power in standard form.
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document.write( "When you see\r\n" );
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document.write( "DECIMAL x 10^{±INTEGER EXPONENT}\r\n" );
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document.write( "1. If the INTEGER EXPONENT is POSITIVE, move the decimal point the\r\n" );
document.write( "same number of places to the RIGHT as as the INTEGER EXPONENT. Then\r\n" );
document.write( "erase the \"×10^{INTEGER EXPONENT}\"\r\n" );
document.write( "This may involve annexing some 0's on the RIGHT.\r\n" );
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document.write( "2. If the INTEGER EXPONENT is NEGATIVE, move the decimal point the\r\n" );
document.write( "same number of places to the LEFT as as the absolute value of the\r\n" );
document.write( "INTEGER EXPONENT. Then erase the \"×10^{±INTEGER EXPONENT}\"\r\n" );
document.write( "This may involve annexing some 0's on the LEFT.\r\n" );
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document.write( "Your problem is 6.92 × 10^-5, the integer exponent is\r\n" );
document.write( "NEGATIVE so case 2 applies.\r\n" );
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document.write( "So we need to move the decimal point of 6.92 five places to the \r\n" );
document.write( "LEFT.  But first we must annex enough 0's on the left so that we\r\n" );
document.write( "can move it that many places.  So we write:\r\n" );
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document.write( "000006.92 × 10^-5 \r\n" );
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document.write( "Then we move the decimal point 5 places left, getting\r\n" );
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document.write( "0.0000692 × 10^-5\r\n" );
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document.write( "and erasing the \"× 10^-5\"\r\n" );
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document.write( "or\r\n" );
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document.write( "0.0000692\r\n" );
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document.write( "Edwin

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