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Published byHillary Lindsey
Modified over 8 years ago
R ounding Nearest 10 Nearest 100 1 decimal place The nearest whole number Correct to 2 dps Nearest 1000
67 6070 70 To the nearest 10
123 120130 120 To the nearest 10
1090 10002000 1000 To the nearest 1000
4.7 45 5 To the nearest whole number
1.03 12 1
3.6 34 4
1.24 1.21.3 1.2 To one decimal place
1.59 1.51.6 1.6 To one decimal place
1.763 1.761.77 1.76 To 2 decimal places
1.8754 1.81.9 1.9 To one decimal place
0.1 01 0 To the nearest whole number
40 01000 0 To the nearest 1000
Significant Figures 67 to 1 sig fig To the nearest 10 70 258 to 1 sig fig To the nearest 100 300 258 to 2 sig figs To the nearest 10 260 3.8 to 1 sig fig To the nearest whole number 4
Metric Conversions w/o Dimensional Analysis Just move the decimal!!
Figure 1.1 The observer in the truck sees the ball move in a vertical path when thrown upward. (b) The Earth observer views the path of the ball as a parabola.
M May significant figures significant figures to nearest 1000to nearest tenthto nearest hundred thousandth.
Nearest Whole Number Decimal places are the figures after the decimal point decimal places decimal places 3 decimal places
SIGNIFICANT FIGURES. What are SIG FIG’S Digits that carry meaning contributing to its precision. They help make our “precision” more accurate Precision-the.
to the nearest Write each (i) to the nearest ten
Calculations with Significant Figures
Accuracy: The closeness of a measurement to the true or actual value
How many significant figures?
measured certain digits. last digit is estimated, but IS significant. do not overstate the precision 5.23 cm cm Significant Figures (Sig Figs) (uncertain)
Review the following vocabulary words for your recovery quiz tomorrow Matter Chemistry Volume Mass Weight Organic chemistry Measurement Accuracy Precision.
Significant Figures Determine the number of significant figures in the following measurements: a)30.1 grams b) seconds c)200.0 miles d)0.050 liters.
Addition and Subtraction of significant figures. Rule 1 Before performing an addition or subtraction operation, round off numbers to the least amount.
Significant Figures. Significant figures are the digits in any measurement that are known with certainty plus one digit that is uncertain. Number of significant.
Significant Figures “SIG FIGS” What are Significant Figures? In science we say that significant figures are the figures (#’s) in a measurement that consist.
Significant Figures and Rounding. Counting Sig. Figs. Pacific a.k.a.: Present Start with first non-zero, go in direction Atlantic a.k.a.: Absent Start.
2.3 Using Scientific Measurements. Accuracy vs. Precision Accuracy- closeness of measurement to correct or accepted value Precision- closeness of.
Mastery of Significant Figures, Scientific Notation and Calculations Goal: Students will demonstrate success in identifying the number of significant figures.
WALT- use a number line to help round numbers to the nearest whole number to the nearest whole number to the nearest whole number.
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