2. Complete the blanks in each row as in the first: a) underscore the last significant figure in the calculator result, b) round it off in decimal to the proper number of significant figures, c) count their number, and d) write the rounded answer in proper, normalized scientific notation: a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 2 x 10-1 -330.2 + 990 - 882 =

2. Complete the blanks in each row as in the first: a) underscore the last significant figure in the calculator result, b) round it off in decimal to the proper number of significant figures, c) count their number, and d) write the rounded answer in proper, normalized scientific notation: a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 2 x 10-1 -330.2 + 990 - 882 =

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter2: Analyzing Data

Section: Chapter Questions

Problem 115A

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The picture shows a zoomed-in view of the level ofliquid in a burette. Report the volume measurement to thecorrect number of significant figures justified by the burette’sscale increments.
2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant figure in the decimal calculator result. b) Round it off to the proper number of significant figures. c) Count the number of significant figures. d) Write the rounded answer in proper scientific notation. a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 1 2 x 10-1 1.2 x 0.153 ÷ (13.220 + 0.41) -120 + 3.12 × 102 = 3490.2 + 4.443 × 102 × 23 = 7.2 x10-1 ÷ (45.1 - 3.78 × 102)
58. Perform each calculation to the correct number of significantfigures.(a) 89.3 * 77.0 * 0.08(b) (5.01 * 105) , (7.8 * 102)(c) 4.005 * 74 * 0.007(d) 453 , 2.031
Part D Compute 4.659 x 104-2.14x 104. Round the answer appropriately. Express your answer as an integer using the proper number of significant figures (e.g. 12300). > View Available Hint(s) 4.659 x 10- 2.14 x 10 2.591 Submit Previous Answere
pls help asap and include the correct number of significant fig!!
Please don't provide handwritten solution ..... round your answer to 3 significant figures
49. Round each number to four significant figures.(a) 255.98612 (b) 0.0004893222(c) 2.900856 * 10-4 (d) 2,231,479
Follow the format below in answering this problem. Final answers must have correct number of significant figures. Thank you!
50. Round each number to three significant figures.(a) 10,776.522 (b) 4.999902 * 106(c) 1.3499999995 (d) 0.0000344988
Could you please elaborate on why the correct number of sig figs would be three in total or two decimal places? Neither matches any of the inputting numbers.
is it possible for the calculated answer from a mulitplication or divison problem to contain more signficant figures than the measurements used in calculation? Explain is it posstible for the calculated answer from an additon or subtraction to contain more signifcant figures than the measurement used in calculation? explain