document.write( "Question 1208781: An iron atom has a mass of 1.79 × 10^−22 grams. A sample of iron has a mass of 9. 129 × 10^−3 grams?\r
\n" ); document.write( "\n" ); document.write( "Determine how many atoms are in the sample using scientific notation.
\n" ); document.write( "a. 7.339 × 10^−25
\n" ); document.write( "b. 7.339 × 10^20
\n" ); document.write( "c. 5.1 × 10^19
\n" ); document.write( "d. 5.1 × 10^−24 \n" ); document.write( "
Algebra.Com's Answer #847232 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Divide and bring the negative exponent to the top and make it positive:\r\n" );
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document.write( "\"matrix%281%2C3%2C%0D%0A%0D%0A5.10%2C%22x%22%2C%2810%5E%28-3%29%2A10%5E22%29%29%29\"\r\n" );
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document.write( "Combine the exponents\r\n" );
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document.write( "\"matrix%281%2C3%2C5.1%2C%22x%22%2C10%5E19%29\"\r\n" );
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document.write( "Edwin

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