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[DOC File]Rules for recognizing sig figs - Humble Independent School ...
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have an infinite # of sig figs. Addition and Subtraction Sig Fig Rules. 1. line up the decimals. 2. draw a line to the right of the number with. the least precision (shortest column) 3. answer can’t go past the line. 4. use the 1st digit past the line to determine. where to round off. Multiplying and Dividing Sig Fig Rule. Answer can have no ...
50.0 how many sig figs

[DOC File]Significant Figures Review
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Significant figure - _____ Rule 1 _____ i.e. 10, 1100, 120, 1000, 12500
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[DOC File]Chapter 1 Review
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11. Myoglobin, a protein that stores oxygen, has a mass of 2.98 X 10-14 µg . 12. Buttery popcorn contained in a large 1 L bowl has a mass of about 50 g of fat & about 650 calories. 13. The human heart has a mass of about 1.05 kg . 14. The distance from your nose …
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[DOC File]Dimensional Analysis WorkSheet - 50Webs
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(Express with 2 sig figs in scientific notation.) How many kilometers is it from your house to school? (Express with 2 sig figs in scientific notation.) A person’s weight is 154 pounds. Convert this to kilograms. (1 lbs. = 454 grams) An aspirin tablet contains 325 mg of acetaminophen. How many grains is this equivalent to? (1 gram = 15.432 ...
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[DOC File]Unit 1 Metric system, significant figures, factor label ...
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Math with Sig Figs. When . multiplying,your answer can only have the same number of . Sig figs as the least significant factor multiplied. 2.46 x 3.8 = 9.348 which becomes 9.3 . 2.46 is 3 SIG figs and 3.8 is only 2 sig figs, so you round the answer to . two sig figs, which is 9.3. The calculator implies that you measured . better than you ...
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[DOC File]CHAPTER 2 OUTLINE begin on page 28
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2.50 x 102 pounds has _____ sig figs. Put a bar over the zero (rarely used anymore) 250 pounds has _____ sig figs. Note: counting numbers have not been measured and have an infinite number of sig figs; that is, sig fig rules don’t apply!
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[DOC File]Chemistry Unit Test
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SHOW ALL YOUR WORK! NO NAKED NUMBERS! 3 SIGNIFICANT FIGURES!. Record how many sig figs are in the following: 0.003 1.003 8000000 6.13 E25. Convert the following into scientific notation with 3 sig figs.
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[DOC File]Guided notes on Accuracy, Precision, and significant ...
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More examples: 12.50 = _____ sig figs; 0.0050 = ____ sig figs; 0.0003 = ____ sig figs The first step is always to ask yourself: Is the decimal point present or absent?
how many sig figs in 50

[DOC File]Razor Planet
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Leading zeros do not count as significant figures. 0.048 has 2 sig figs. Captive zeros always count as significant figures. 16.07 has 4 sig figs. Trailing zeros are significant only if the number contains a decimal point. 9.300 has 4 sig figs, 150 has 2 sig figs. Exact numbers have an infinite number of significant figures. 1 inch = 2.54 cm ...
50.0 how many sig figs

[DOC File]Chemistry Test Review Sheet – Chapters 10 & 11
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How many grams would 8.1 ( 1021 molecules of sucrose (C12H22O11) weigh? How many grams of AgNO3 are required to make 25 mL of a 0.80M solution? How many moles are in 53.8 g of magnesium chloride? What volume of 0.15M SrSO4 can be made from 23.1 grams? Find the molarity of a 2.50 L solution containing 7 g of potassium fluoride.
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How many sig figs is 2 50