Good Afternoon! Today is Wednesday, September 16, 2015 HW Due: Determining Significant Figures #1-14 Determine the number of significant figures in the.

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Presentation transcript:

Good Afternoon! Today is Wednesday, September 16, 2015 HW Due: Determining Significant Figures #1-14 Determine the number of significant figures in the following numbers: ,000,000

Homework Questions?

Significant Figures Determine the number of significant figures for each of the numbers below on a separate sheet of paper: , ,000,

Scientific Notation Easy way to handle very small or very large numbers x ,600,000, x 10 9

Scientific Notation ,200,000,000, , ► Move towards the right, negative exponents ► Move towards the left, positive exponents ► Let’s try a few examples:

Scientific Notation Can also help gain or lose significant figures Express each of the numbers with three significant figures 43,005, ,000,

Rounding Numbers Rounding numbers can also help achieve the correct number of significant figures Express the following numbers with 3 significant figures: , ,989

Conclusion Express the following numbers with three significant figures: ,000,000

Homework Complete the remainder of “Determining Significant Figures” for tomorrow Be sure to turn in Syllabus Agreements and Lab Safety Contracts