How many sig figs in 8

    • [PDF File]Scanned Document

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      Directions: Identify how many sig figs in each of the following measurements 1) 8.4100m S 6) 5.1 X 103 kg 11) 0.23 lbs 7) 12) 8900. cm 2) 0.00110050 km 3) 5100 years 8) 9410000 mm 13) 0.10m L 4) 210.00 L S 9) 50.0 14) 8.11 X 10-19 5) 15)

    • [PDF File]Name Significant Figures - SCASD

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      How many significant figures will be in the answer for the following mathematical operations? 11. 2.0 + 3.0001 = The answer has ____ sig figs 12. 4.5 x 0.0010 = The answer has ____ sig figs 13. (2.0 x 103) / (5.50 x 107) = The answer has ____ sig figs 14. 6.1 – 6.0 = The answer has ____ sig figs 15. 10.0 / 2 = The answer has ____ sig figs

    • [PDF File]Uncertainties and Significant Figures

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      + 8.1 g M = 264.6895 g M = 264.7 g (answer) C. Rule for Multiplying/Dividing Significant Figures When measurements are multiplied or divided, the number of significant figures in the final answer should be the same as the term with the lowest number of significant figures. Ex. L1=2.2 cm L2=38.2935 cm A=L1L2=84.126900000 cm 2

    • [PDF File]Significant Figure Rules - Rice University

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      of this metal was 8.67 g/mL, which told him the cube's volume. Believing significant figures were invented just to make life difficult for chemistry students and had no practical use in the real world, he calculated the volume of the cube as 9.573 mL. He thus determined that the edge of the cube had to be 2.097 cm.

    • [PDF File]Practice Worksheet for Significant Figures

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      To one sig fig: 41.87 2.473 5.687524 125.3 8.235 To two sig figs: 22.494 79.2588 0.03062 3.4125 41.86632 Round the last row of numbers of problem #2 to 2 sig figs using scientific notation: 4. Express the following numbers in their equivalent standard notational form. Then identify how many sig figs are in the number.

    • [PDF File]Significant Figures

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      Round the following #s to 4 sig. figs. 4965.03. 780,582. 1999.5. 0 is dropped, it is 5; Note you must include the 0’s. 5 is dropped it is = 5; note you need a 4 Sig Fig. 4965. 780,600. 2000.

    • [PDF File]Accuracy and Precision of Laboratory Glassware ...

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      only have two sig figs after the decimal point: 0.1975. Then, once we divide the answer by 1.23 and multiply by 100 (an exact number), we have a number with two sig figs, divided by a number with three sig figs. Based on the multiplication/division rule, our answer can only have two sig figs. The

    • [PDF File]Measurements, Significant Figures, and Unit Conversions

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      Hint: Answer should be rounded to 4 sig figs because 0.2450 m has 4 sig figs . 8 3. If a person weighs 68.2 kg, how many pounds (lbs) is that? Hint: Don’t forget to round to the correct number of significant figures. 4. If 1 inch = 2.54 cm, how many cm (centimeters) are there in 239 inches?

    • SIG Figs - HCC Learning

      ° = 22.8 23 9 5 (41) 9 5 (73 32) Note that in this equation, 73 contains 2 significant figures and the numbers 9, 5, and 32 are “exact”. Multiplication or subtraction by “exact” numbers does not affect the number of significant figures reported. The subtraction of (73 – 32) yields 41, which contains 2 significant figures.

    • [PDF File]Rules for Significant Figures (sig figs, s.f.)

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      A. Read from the left and start counting sig figs when you encounter the first non-zero digit 1. All non zero numbers are significant (meaning they count as sig figs) 613 has three sig figs 123456 has six sig figs 2. Zeros located between non-zero digits are significant (they count) 5004 has four sig figs 602 has three sig figs

    • [PDF File]Significant Figures Worksheet

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      1. Indicate how many significant figures there are in each of the following measured values. 246.32 5 sig figs 107.854 6 sig figs 100.3 4 sig figs 0.678 3 sig figs 1.008 4 sig figs 0.00340 3 sig figs 14.600 5 sig figs 0.0001 1 sig fig 700000 1 sig fig 350.670 6 sig figs 1.0000 5 sig figs 320001 6 sig figs 2.

    • [PDF File]Significant Figures

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      A. Rules for determining how many Sig Figs are in a number: Rule #1: Non-Zero digits (# 1 – 9) and Zeros that are in between two non-zero digits are always significant. Rule #2: Leading zeroes are never significant. Rule #3: Trailing zeroes are only significant if a decimal point is present in the number. Examples:

    • [PDF File]CHM 130 Sig Fig Practice Problems

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      Answer is 4.4 in2 because the least amount of sig fig was 2 sig fig so the answer can only have 2 sig fis. Also, inch x inch = inch squared! G. Now remember that conversion factors such as (1 L / 1000 mL) DO NOT affect the significant digits because they are exact numbers. Any such equality will not dictate the sig figs in your final answer. H.

    • [PDF File]A Significant Review

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      8. sig. figs. (180048.00) 0.0000002 has 1 sig. fig. (0.0000002) 10. has 2 sig. fig. (.) 10. 3) If the number does NOT have a decimal in it: Start at the LEFT of the number and count to the right until you get to the last NONZERO number, this is the number of sig. figs.

    • [PDF File]Significant Figures (Significant Digits)

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      The answer is 7.8. The Sig Fig Rules for Computation—Multiplication and/or Division Solving long-hand identifies the sig figs, or TIP: the answer will always have the same number of sig figs as the measurement with the fewest total sig figs. For the computation (6.341 x 9.24) = ? The calculator gives me: 58.59084

    • [PDF File]Significant Figures - Montgomery College

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      (3 sig. figs.) (1 sig. figs.) Practice Problems 1. How many significant figures are in each of the following? a) 3.405 b) 0.00289 c) 1030 d) 7.0040 x 10-3 e) 102.00 f) 0.000980 g) 9.80 2. Perform the following calculations to the correct number of significant figures a) 12.0550 + 9.05 b) 257.2 – 19.789 ...

    • [PDF File]04. Sig Figs in Calcs tutorial

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      Converting 25.8 °C (3 sig figs) to Kelvin gives: 25.8+273.15 = 299.0 K (4 sig figs) 4. Likewise, when subtracting numbers you may find the number of significant figures decreases 34.46 ml – 27.88 mL (4 sig figs each) = 6.58 mL (3 sig figs). 5. When adding/subtracting numbers written in scientific notation, it is necessary to convert the

    • [PDF File]Chapter 1 Lecture Notes Significant Figures and Calculations

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      least sig figs How many significant figures should be used in the answer below (assuming measured values)? 8.259 x 1.2 3.33 = 2.9762162 a. 2 sig figs b. 3 sig figs c. 4 sig figs d. no correct answer • Addition/Subtraction: only as many digits to the right of the decimal point in the answer as the factor with ...

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