SOLUTION: This is a scientific notation what is 4.o times 10^-3 subtracted by 2.5 times 10^-3

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Question 599765: This is a scientific notation what is 4.o times 10^-3 subtracted by 2.5 times 10^-3
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
This is a scientific notation what is 4.o times 10^-3 subtracted by 2.5 times 10^-3
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If you mean
4%2A10%5E-3+-+2.5%2A10%5E-3+=+1.5%2A10%5E-3
If the exponents are the same, you just subtract.