'Nonzero numbers' presentation slideshows

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Chem 140 Section A Instructor: Ken Marr

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Ch 8 Summary . . . and why SSA and AAA are NOT ? Congruence Methods of Proof!

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Critical Thinking: Does It Mean What You Think?

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Significant Figures

Significant Figures. Why do we need to know significant figures?. We as scientists need to measure things as we perform experiments. Instruments have different degrees of precision We measure to the last known calibration, and estimate the unknown. Significant = replaceable.

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Significant Figures

Significant Figures. Factor Name Symbol Factor Name Symbol. 10 -1 decimeter dm 10 1 decameter dam 10 -2 centimeter cm 10 2 hectometer hm 10 -3 millimeter mm 10 3 kilometer km

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Chapter 1 Measurements

Chapter 1 Measurements. Significant Figures in Calculations. Significant Figures in Measurement. The numbers reported in a measurement are limited by the measuring tool Significant figures in a measurement include the known digits plus one estimated digit. Counting Significant Figures.

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ERRORS AND SIGNIFICANT FIGURES

ERRORS AND SIGNIFICANT FIGURES. ERRORS. Mistakes - result of carelessness, easily detected Errors - fall into two types, systematic or random. ERRORS. Systematic errors - due to imperfections in instruments and/or way experimenter does things

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Question Of the Day:

Question Of the Day:. Write the following numbers in scientific notation: 0.000412 143.0 12 000 000 000 Convert the following: 1 ? m = m 0.001 A = mA 1hm = m. Answers. Write the following numbers in scientific notation: 0.000412 => 4.12 x 10 -4 143.0 => 1.43 x 10 2

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Ch 9.1 thru 9.5 Review

Ch 9.Rev. Learning Target: I will be able to use proportions to determine similarity and parallel line segments of a triangle. Standard: various. Ch 9.1 thru 9.5 Review. Ch 9.1. Concept. a b. a b. c d. c d. =. =. Ch 9.1. Theorem 9-1. Property of Proportions.

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Bell? /DLO

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Friday Sept 7th

Friday Sept 7th. Grab a calculator Warm up for today: Finish problems 6-10 on the back of the dimensional analysis paper from yesterday. Significant Figure Review Goal: Students will know how to round all mathematical answers to be as specific as the given amount.

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8.7/8.8 division and more multiplication properties of exponents

8.7/8.8 division and more multiplication properties of exponents. Algebra 1 cp Objective: use two more multiplication properties and apply division property of exponents. Warm up. Complete each statement. Raising a power to a power. For any nonzero number a and any integers m and n,

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Significant Figures

Significant Figures. Practice. Significant Figures. 1. Verify that each of the following numbers contains four significant figures. Write the digits that are significant. a ) 0.00004182 b ) 494,100,000 c ) 32,010,000,000 d ) 0.00003002. Significant Figures.

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WU 8/31

WU 8/31. Create the following data table in your notes. WU 9/1 **Take Out HW**. Read page #1 of the Syllabus What category of this class has the most effect on your grade? When you walk into the room each day, what is expected of you?

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Significant figures

Significant figures. The number of digits which describe a measurement. Measurements. Rules for significant figures. All nonzero numbers are significant All zeros between significant digits are significant All numbers BOTH after a significant digit AND after a DECIMAL are significant.

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Significant Figures

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Significant Figures

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