Posted by Gabby on Tuesday, September 17, 2013 at 10:52pm.
A student measures the volume of a liquid and finds it to be 40mL. How many significant figures are in the measurement?
1 ***
2
3
4
Calculate the area, with the appropriate number of significant figures, of a rectangular room that is 14.10 m wide by 15.0 m long.
212 m^2***
211.5 m^2
29.1 m
29.10 m
Am I right or wrong?

Math in Science  DrBob222, Tuesday, September 17, 2013 at 11:00pm
I think you are right.
Many may argue with the first one and suggest 40 has two s.f. To have two, however, it should be written as 40. where the . is not the end of the sentence. To avoid confusion many would write that as 4E1 to show the one s.f. and not two.

Math in Science  Gabby, Tuesday, September 17, 2013 at 11:03pm
Ok but in all I'm right?

Math in Science  DrBob222, Tuesday, September 17, 2013 at 11:46pm
That's what I said, you are right.

Math in Science  Payton, Wednesday, August 26, 2015 at 3:27pm
So the answer is A or is it B

Math in Science  Anonymous, Thursday, September 3, 2015 at 11:02am
it is 212 m^2 i just took the quiz
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