Question 228: Units , Dimensions and Error Analysis

Question

The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 $ 	imes $ 10
–3
are

Accepted Answer

23.023 has 5 significant figures.
0.0003 has 1 significant figure.
2.1 $ 	imes $ 10
Ã¢ÂÂ3
has 2 significant figures.

Answer

5, 1, 2

Answer

5, 1, 5

Answer

5, 5, 2

Answer

4, 4, 2

Units , Dimensions and Error Analysis