Questions
If we measure a length with the help of a screw gauge, then which digits are absolutely correct and which is/are doubtful?
a
3,2 and 6 are absolutely correct and 7 is doubtful.
b
7,2 and 6 are absolutely correct and 3 is doubtful.
c
3,7 and 6 are absolutely correct and 2 is doubtful.
d
3,2 and 7 are absolutely correct and 6 is doubtful.
detailed solution
Correct option is A
3,2 and 6 are absolutely correct and 7 is doubtful.Talk to our academic expert!
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A cube has a side of length . Find the surface area and volume in correct significant figures.
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