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41 votes
41 votes
(4.5 x 10^9) + (4.5 x 10^-4)

User James Geddes
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1 Answer

13 votes
13 votes

This should be the correct answer,
4.5×10^9x + 0.00045x

Also, some good free calculators that can help with problems like this would be c y m a t h and m a t h w a y .

User Srikanth
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3.0k points