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[DOC File]Chemistry 11
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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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[DOC File]Chemistry Chapter 3 (Due October 16) - Barnstable Academy
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____ 17. How many significant figures are in the measurement 811.40 grams? a. two c. four b. three d. five ____ 18. Express the sum of 1111 km and 222 km using the correct number of significant digits. a. 1300 km c. 1333 km b. 1330 km d. 1333.0 km ____ 19. Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.
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[DOC File]CHEMISTRY EXAM REVIEW AND ANSWERS
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37. How many significant figures are in the measurement 811.40 grams? 5. 38. Express the sum of 1111 km and 222 km using the correct number of significant digits. a. 1300 km c. 1333 km b. 1330 km d. 1333.0 km 39. Express the sum of 7.68 m and 5.0 m using the correct number of significant digits. a. 12.68 m c. 13 m b. 12.7 m d. 10 m 40. Express ...
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[DOC File]Chemistry I-Honors
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II. Perform the following mathematical operations. Make sure the answer contains the correct number of significant digits. Use scientific notation when it is appropriate. These are all measured quantities. 1. 800 + 3458 + 9.010 + 2100.0 = 6.4 x 103 or 6400. 2. 0.3478 + 0.007822 + 1.03 + 24.677 = 26.06 3.
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[DOC File]Chemistry 12 - Review of Significant Digits
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Chemistry 12 - Review of Significant Digits. The rules for zeros in significant digits are as follows: a) All zeros between non-zero digits are significant. b) Zeros at the beginning of a number ( eg. 0.0095) are NOT SIGNIFICANT ! If the number 0.0095 was written in scientific notation, it would be: 9.5 x 10-3.
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[DOC File]1. Significant Figures
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The number of digits reported is an indication of the level of precision of an instrument. Significant figures are all the digits of a measurement that are known for certain plus one that is estimated. ... Record the value with the correct number of significant figures in Table 8 (as Group 1). ... Significant Figures Subject: Chemistry Created ...
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[DOC File]Lab Reports for Grade 11 and 12 Chemistry - Mc Guckin Science
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Graphics need to be clear, easily read, and labelled. Report all values to the correct number of significant digits and report all of the units. Sample Calculations . gives the detailed mathematical calculations performed in your results section. Report all values to the correct number of significant digits and report all of the units.
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[DOC File]Chemistry Worksheet Number 2-3a
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Chemistry Worksheet. Identifying the Number of Significant Digits. Remember These Rules: Digits from 1-9 are always significant. Zeros between two other significant digits are always significant. One or more additional zeros to the right of both the decimal place and another significant digit are significant.
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[DOC File]Chemistry 11 – Course Review
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Give the number of significant digits in each of the following. Assume they are all measurements. ... Perform the following calculations and round the answers off to the correct number of significant digits as justified by the data. Assume all numbers are measurements. a) 2.1500 x 0.31 _____ f) 8.90 x 103 ÷ 4.400 x 10-6 _____ ... Chemistry 11 ...
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[DOC File]Chemistry - North Thurston Public Schools
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12. _____ (T/F) Zeros to the right of nonzero digits and a decimal point are significant. 13. _____ (T/F) Writing measurements in standard exponential for is a way to avoid confusion as to which zeros are significant. B. Determine the number of significant figures in …
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Correct number of significant digits for chemistry