document.write( "Question 342348: Round 0.000216453 to the nearest hundred- thousandths and write the rounded number in scientific notation. \n" ); document.write( "
Algebra.Com's Answer #245052 by nyc_function(2741)\"\" \"About 
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The hundred-thousandths place is the 5th place to the right of the decimal point.\r
\n" ); document.write( "\n" ); document.write( "Rounded as requested 0.000216453 becomes 0.00022.\r
\n" ); document.write( "\n" ); document.write( "We now write 0.00022 in scientific notation. \r
\n" ); document.write( "\n" ); document.write( "The value in scientific notation must be between 1 and 10.\r
\n" ); document.write( "\n" ); document.write( "Moving 4 places to the right of the decimal, we get 2.2.\r
\n" ); document.write( "\n" ); document.write( "When we move to the right in scientific notation, the exponent value is negative and vice-versa.\r
\n" ); document.write( "\n" ); document.write( "So, the answer is 2.2 x 10^(-4).\r
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