Thursday, December 17, 2009

How many significant figures do these numbers have?

The first is 0.00777


It is 3 right?





And 5.60013


It is 6 right?





Thanks!How many significant figures do these numbers have?
express in scientific notation (with base 10 exponent)...the mantissa can be used to count significant figures usually.





0.00777 = 7.77e-3


3 figures





5.60013 = 5.60013e0


6 figures

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