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
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Algebra.Com's Answer #847236 by ikleyn(52776)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For your info: Handbooks give the iron atomic mass 9.27*10^(-23) grams.\r
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\n" ); document.write( "\n" ); document.write( "So, your professor (or your textbook) gives you wrong information.\r
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