Homework Help: sig figs

Posted by help please on Sunday, November 6, 2011 at 2:14pm.

70.74074074 ^ 1/4 = a

2.900129566 = a
Now I have to round to 3 significant digits.

Is it 2.90 or 2.9001?

sig figs - DrBob222, Sunday, November 6, 2011 at 2:44pm
To three s.f. it is 2.90. Using 2.9001 rounds to 5 s.f.

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