Homework Help: CHEM 1LB

Posted by Shawn Tabrizi on Friday, January 21, 2011 at 5:49pm.

Which of the following is NOT true?

A. The uncertain digit is estimated between the last two markings.
B. Except for absorbance, most measurements contain significant figures and units.
C. All numbers should be recorded from a digital readout.
D. If an average of 4 trials is being calculated the "4" is infinitely significant.
E. All of these are true.

CHEM 1LB - DrBob222, Friday, January 21, 2011 at 8:20pm
I would look at c as a possible answer.
If I divide 10/3 I get 3.33333333333333 on the calculator. And I should record all of those digits, meaning that all of them are always significant?
CHEM 1LB - KV, Wednesday, January 26, 2011 at 12:39am
E all of these are true
CHEM 1LB - caitlin, Sunday, April 10, 2011 at 7:16pm
well C is the wrong answer. Another 3 points i have to make up on the piratical D:

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