- #1
songoku
- 2,309
- 327
Homework Statement
A student makes measurements from which she calculates the speed of sound as 327.66ms–1. She estimates that her result is accurate to ±3 %. Which of the following gives her result expressed to the appropriate number of significant figures?
A 327.7ms–1 B 328ms–1 C 330ms–1 D 300ms–1
Homework Equations
significant figures
The Attempt at a Solution
The maximum value = 327.66 x 1.03 = 337.4898
The minimum value = 327.66 x 0.97 = 317.8302
How to proceed and how to take significant figures into account? I know that for multiplication, the answer should follow the least significant figures, but how to apply it here?
The solution is (C) and I don't how to get it.
Thanks