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OpenStudy (anonymous):
hey, 50 - 25.0 = 30 , is my answer right about significant figure?
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OpenStudy (vishal_kothari):
no,it's 25...
OpenStudy (anonymous):
oh, typo, it is 55 - 25.0 = 30 ^^, now, it should be 30.0 or 30?
OpenStudy (vishal_kothari):
it's wrong..
OpenStudy (hoblos):
@edgarbertrand6 30 & 30.0 are the same so 55 - 25.0 = 30 is right
OpenStudy (mertsj):
30 and 30.0 are bit the same if you're talking about significant digits.
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OpenStudy (mertsj):
30 is correct because 50 has only one significant digit and so the answer must have only 1 significant digit.
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