Significant
Explanation:
All the digits shown on a measuring device and one estimated digit are all considered to be significant.
A significant digit is a set of values that shows how precise a measurement is reported.
Measuring devices such as calculators gives their values in significant digits.
- Non- zero digits in a measurement are always significant.
- Zero's before a decimal are not significant. Those after a number in a decimal are significant.
- Zero's between digits are significant.
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Significant digits brainly.com/question/2743055
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Velocity would be an answer
I think it is B as 168/20
Longitudinal waves travel through a series of compressions and rarefactions.
