Physics And Measurement Question 195
Question: The respective number of significant figures for the numbers 23.023, 0.0003, and 2.1 x $ 10 _{{}}^{-3} $ are
Options:
A) 5, 1, 2
B) 5, 1, 5
C) 5, 5, 2
D) 4, 4, 2
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ [x]=[Ay]=[B]=>[y]=[B/A] $
Also, $ [x]\ne [A] $ and $ [cz] $ = dimensionless
$ \Rightarrow [C]=[{{Z}^{-1}}] $