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Chem 110A - Prep Chem

Ch.1 - Counting Significant Figures

Determine the number of significant figures in the following measured numbers:

 

A. 12,345

 

B. 17.30

 

C. 17.300

 

D. 0.0004

 

E. -0.00420300

 

Extra Practice:

A. 149.01

 

B. 0.001400

 

C. -0.1204000