Length A is measured to be 4.5cm +/- 0.3 cm and length B is 4.0cm +/- 0.7cm. What is the difference between the two lengths, D = A - B? ?
Also, what is the absolute uncertainty in D?
- MorningfoxLv 71 month ago
Is 4.5 minus 4.0 so hard to do? If it is too hard for you, then I think you better go back a grade or two.
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