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[DOC File]1. SIGNIFICANT DIGITS--DETERMINE NOW MANY SIG FIGS …
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12 has two significant figures and 3.00 has three, so the answer should only have two. For example, 3.20 x 5.04 = 16.128 (16.1 The starting values only have three significant figures each, so round the answer to three significant figures, 16.1.
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[DOC File]Significant Figures
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IV. SIGNIFICANT FIGURES: In each of the following measurements, determine the number. of significant digits and underline each of them. 1) 1.030 cm 6) 0.040500 m 11) 300 m. 2) 2,074,000.0 s 7) 601,500 km 12) 300 m. 3) 0.00080 kg 8) 1,570,560 cm 13) 303 m
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[DOC File]Chemistry I Final Study Guide
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Show the correct number of significant figures. Determine the number of significant figures in each of the following: 3.57 m 20.040 g 0.004 m3 730 000 kg Perform the following calculations and express your answers in the correct units and number of significant figures. (5.14 cm)(6.742 cm) = = 45.68 g + 3.2 g 1,423 mL - 40 mL
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[DOC File]Chemistry 11
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The following rules, which you should have covered in lecture, will help you determine the number of significant figures in a measurement. 1. All nonzero digits are significant. 3.467 cm has 4 sig figs. Zeros between nonzero digits are significant. 2.07 mL has 3 sig figs. Zeros preceding the first nonzero digit in a number are not significant. 0.0341 g has 3 sig figs
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Experiment #1 – Measurements
Determine the number of significant figures in the following: 30040 0.663 20.05 1500. 0.0008 Perform the following calculations and express your answer w/ the correct number of significant figures. 47.0 x 2.2. 140 x35. 7.945 + 82.3 + 0.02. 312 – 31.2 – 3.12. Perform the following density calculations: The mass of a 5.00 cm3 sample of clay ...
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Rules for Significant Figures
To determine if a zero is significant follow these 4 rules: RULE 1. Zeros between numbers (“sandwiched”) are. significant. Thus, 94.072 g has five significant figures. RULE 2. Zeros to the left of a number . are not. significant; they act only to locate the decimal point. Thus, 0.0834 cm has three significant figures, and 0.02907 mL has ...
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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Significant Figures. Determine the number of significant figures in each of the following: 6.3789 0.003 505 304 000 2460. 7.26 10-5 Add or subtract the following as indicated and gie the anser to the correct number of significant figures. 12 + 0.045 + 14.4 = 29.49 + 16.82 + 17.785 = 72.47 – 39.9 = 41.025 – 23.28 = 375 000 + 2340 =
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Determine the number of significant figures