Posted by Karria on Wednesday, December 10, 2008 at 9:45pm.
Putting in scientific notation (3000)(20000)
6*10^7
Solving
(3*10^5)(7*10^3)
21*10^9
Is this right, please help

math 117  s, Wednesday, December 10, 2008 at 10:08pm
the first one is correct
the second one is not right because you can only have a digit in the ones section
so it should be 2.1 x 10^9

math 117  Reiny, Wednesday, December 10, 2008 at 10:08pm
first one is right,
second one should have been 2.1 * 10^9
perhaps it was just a typo.
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