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}}] $



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