SOLUTION: Help me please.... Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places. (8.1 · 108)

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Question 482836: Help me please....
Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
(8.1 · 108) · (4.2 · 103)

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
34.02X10^11
becomes
3.402X10^12