document.write( "Question 1162010: Express in scientific notation with correct number of significant figures: \r
\n" ); document.write( "\n" ); document.write( "a) 0.00345
\n" ); document.write( "b) 123,000
\n" ); document.write( "c) 120.7
\n" ); document.write( "d) 70,010
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Algebra.Com's Answer #785695 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "All numbers, regardless of magnitude, can be expressed in the form:\r
\n" ); document.write( "\n" ); document.write( "\"N+%2A+10%5En\"
\n" ); document.write( "where
\n" ); document.write( "\"N\" is a number, either an integer or decimal, between \"1\" and \"10\"
\n" ); document.write( "\"n\" is a positive or negative integer \r
\n" ); document.write( "\n" ); document.write( "a) \r
\n" ); document.write( "\n" ); document.write( "\"0.00345=3.45%2A10%5E-3\"\r
\n" ); document.write( "\n" ); document.write( "b) \r
\n" ); document.write( "\n" ); document.write( "\"123000=1.23%2A10%5E5\"\r
\n" ); document.write( "\n" ); document.write( "c) \r
\n" ); document.write( "\n" ); document.write( "\"120.7=1.207%2A10%5E2\"\r
\n" ); document.write( "\n" ); document.write( "d) \r
\n" ); document.write( "\n" ); document.write( "\"70010=7.001%2A10%5E4\"\r
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