SOLUTION: Express 0.0028 in scientific notation

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Question 885266: Express 0.0028 in scientific notation
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Place a decimal point between the 2 and the 8 (the first nonzero digits)

We have 2.8

Now we must move the decimal point 3 places to the left to get 0.0028


So the answer is: 2.8 x 10^-3


Note: the exponent over the 10 is negative because we're moving the decimal point to the left.

This is shown (on a whiteboard or on your hw paper) as