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1) The answer to (3.540) * (0.0065) * ( 401) should have a) two decimal places...

1) The answer to (3.540) * (0.0065) * ( 401) should have


a) two decimal places
b) no decimal places
c) four decimal places
d)two significant figures
e) four significant figures


2) How many significant figures are in the number 0.0250015?

3)the number 6.7040 has how many significant figures?



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