CP03 – Sig Figs

Dates
Lab Recap A – How many digits?
Uncertainty of Each Device
- Determine the absolute uncertainty in each device
- Determine the relative uncertainty in each device assuming a measurement that is the maximum for the device
- Determine the relative uncertainty in each device assuming a measurement that is half of the maximum for the device
- Patterns?
- How can I use this to determine the best device for the job?
“Trigger Words” in Lab – Why?
- right / wrong
- good / bad
- error
- precise
- accurate
Organizing Information
Data Tables
Units
Goals of Data Presentation
Sig Figs
How many sig figs in a measurment?
Examples
Is there such thing as an “exact” measurment?
Homework
- Review Sci Notation (Ch. 2)
- Ch 2 (5 – 12)
- SPREAD OUT WORK
- Note: even though we didn’t get to this in class the way I wished, go ahead and do your best after reviewing the textbook.
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