Presentation on theme: "How many significant figures?"— Presentation transcript:
1 How many significant figures? 0.002 0.0030 1.0020 45.0 2.010 Bellringer 9/11/09How many significant figures?0.0020.00301.002045.02.010
2 Today’s ObjectiveStudents will be able to work with significant figures
3 Rules for Calculating with Sig Figs Addition or SubtractionRule: The final answer should have the same number of digits to the right of the decimal as the measurement with the smallest number of digits to the right of the decimal.