b) you cant add precision to 67
67+-9
c) it is correct as written.
Express the following quantities to the correct number of significant figures:
(a) 23.043 ± 4.321
(b) 67 ± 9.023
(c) 33.1492934 ± 2
Isn't (a) already the correct number of significant digits?
Would (b) be 67.000 ± 9.023?
Would (c) be 33.1492934 ± 2.0000000
or would
(a) 23.04 ± 4.321
(b) 67 ± 9.0
(c) 30 ± 2
2 answers
which of the a answers are right?
and which of c?
and which of c?