Posted by mary please check for accuracy. on Sunday, February 20, 2011 at 12:54pm.
can someone please explain to me how the solution to 240 000 would be written as 240 000 is expressed as 2.4* 105 in scientific notation? i get the decimal part but am lost after that.
mary Hornbeck

chemistry  bobpursley, Sunday, February 20, 2011 at 12:56pm
Easy. 240 000 is 24x10,000 or 24 E4.
but 24 is 2.4E1, so finally, 240 000 is 2.4E5