1000 with 2 sig figs
[DOC File]AP Chemistry Summer Assignment - Weebly
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1000 (2 sig figs) 43,927 (3 sig figs) 2. Make the following conversions: 2.77 kg to mg . 3. 28.5 grams of iron shot is added to a graduated cylinder containing 45.5 mL of water. The water level rises to the 49.1 mL mark. From this information, calculate the density of iron. 4. A cylindrical glass tube of length 27.75 cm and the radius 2.00 cm ...
[DOC File]Experiment #1 – Measurements
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2.07 mL has 3 sig figs. Zeros beyond the decimal point at the end of a number are significant. 6.00 mL has 3 sig figs. Zeros preceding the first nonzero digit in a number are not significant. 0.0341 g has 3 sig figs. The number of sig figs is the number of digits shown when the number is written in scientific notation.
[DOC File]Significant Figures Review
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perform calculations to the maximum number of sig figs allowed by your calculator. Since the number with the least number of decimal places is the least precise, we would expect to round to this spot. ... 36 / 2.43 = 4.567 + 1.2345 = 25.00 x 0.1000 – 15.87 x 0.103 (4.63 x 8.054) + 11.7653 (0.341 x 18.64 -6.00) x 3.176 .
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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The zeros in 350 and 1000 are not significant because a decimal point is not present in both cases. ... Calculate the volume in cm3 and round to the correct number of sig figs. Volume = 3.14 x (radius)2 x height = _____ cm3. Verify the volume measurement using the graduated cylinder. Volume = _____ mL
[DOC File]Significant Figures Practice Worksheet
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Significant Figures Practice Worksheet. How many significant figures do the following numbers have? 1) 1234 _____ 2) 0.023 _____ 3) 890 _____ 4) 91010 _____
[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 ...
[DOC File]The Work-Energy Relationship
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Use the law of conservation of energy (assume no friction) to fill in the blanks at the various marked positions for a 1000-kg roller coaster car. (Assume 2 sig figs for answers) 10. If the angle of the initial drop in the roller coaster diagram above were 60 degrees (and all other factors were kept constant), would the speed at the bottom of ...
[DOC File]Scientific Notation Worksheet
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Answers with correct units & sig figs.: 218 g. 6.16 dL. 2.79 g/uL. 4.08 g. 78 g. 37.4 L. 2.59 mL. 2.45 g/mL. Unit Conversions - Convert the following metric measurements: 1000 mg = 1 g 198g = 0.198 Kg 8 mm = 0.8 cm 160 cm = 1,600 mm 75mL = 75,000 uL 6.3 cm = 63 …
[DOC File]Practice Problems for Test III - Department of Physics
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(2 sig figs) Not all the 1 A of current flows thru each resistor, the current splits up so that the total flow is 1 A. One way to do this is to calculate the voltage across the 3 resistors which is the same since they are all in parallel like the lights in your house all see 120 V. So V=IRtotal = 1 A x 2.73. Ω = 2.73 V.
[DOC File]Sig Figs
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#2 All zero’s between non-zero’s are significant. #3 All zero’s before the first non-zero are NOT significant. #4 All zero’s after the first non-zero in a number with a decimal point are significant. #5 All zero’s after the last non-zero in a number without a decimal point are NOT significant.
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