CHEM 101 Ch. 2 Measurement and Problem Solving Flashcards
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0
Q
What are the basic SI units of length, mass, and time?
A
Length = meters Mass = kilograms Time = seconds
1
Q
How are significant figures determined in calculations involving both addition/subtraction and multiplication/division?
A
- Do steps in parentheses first
- Determine correct number of significant figures in intermediate steps
- Do remaining steps