None For each of the mathematical expressions given:1. Tell the correct number of significant figures for the answer.2. Evaluate the mathematical expression using correct significant figures in the result.29.3(284 x 4.2)15.2 2.75 + 16.673.984 x 2.160.0714.362.17+ 4.32 + 401.278 + 21.82617.1 +0.77Number of Significant FiguresResult

The concept behind answering questions related to significant figures involves a few basic rules…

Answered: For each of the mathematical…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 41E: Perform the following mathematical operations, and express the result to the correct number of...

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Perform the following mathematical operations, and express the result to the correct number of significant figures. a. 2.5263.1+0.4700.623+80.7050.4326 b. (6.404 2.91)/(18.7 - 17.1) c. 6.071 105 - 8.2 106 - 0.521 104 d. (3.8 1012 + 4.0 1013)/(4 1012 + 6.3 10l3) e. 9.5+4.1+2.8+3.1754 (Assume that this operation is taking the average of four numbers. Thus 4 in the denominator is exact.) f. 8.9258.9058.925100 (This type of calculation is done many times in calculating a percentage error. Assume that this example is such a calculation; thus 100 can be considered to be an exact number.)
Many times errors are expressed in terms of percentage. The percent error is die absolute value of the difference of the true value and the experimental value, divided by the true value, and multiplied by 100. Percenterror=truevalue-experimentalvaluetruevalue100 Calculate the percent error for the following measurements. a. The density of an aluminum block determined in an experiment was 2.64 g/cm3. (True value 2.70 g/cm3.) b. The experimental determination of iron in iron ore was 16.48%. (True value 16.12%.) c. A balance measured the mass of a 1.000-g standard as 0.9981 g.
© Macmillan Learning Perform the calculation and report the answer using the proper number of significant figures. Make sure the answer is rounded correctly. 1.012 × 10-³ J = (0.016456 g) (298.3682 298.3567) K g. K
Round each answer to the correct number of significant figures. 9 +2.8 - 0.135+10.8=22.265 My previous answer was 22.3 it was incorrected.
Express each result to the proper number of significant figures 0.00071+0.002+0.00008 0.9827-0.06 14.9164-10.08+3282 8.13 x 102+8.13 x 103 1.784 x 104-3.6738 x 103 5.4989 x 10-3-1.5300 x 10-2
You are given four values (1.033, 4.157, 1.05, and 4.6) and asked to conduct calculations on them. You perform a series of mathematical operations using the values and make a table that includes the calculated value as displayed on your calculator: Mathematical operation Value displayed by calculator 1.033 +4.157 +1.05+4.6 10.8400 1.033 x 1.05 1.08465 4.157 - 1.05 3.10700 4.157/31.0341 0.133949 4.6/31.0341 0.148224 Round each of the values displayed by the calculator to the correct number of significant figures, and place the value in the bin that correctly indicates the number of significant digits you rounded to. Drag the appropriate items to their respective bins. » View Available Hint(s) Reset Help 10.8400 1.08465 3.10700 0.133949 0.148224 1 significant figure 2 significant figures 3 significant figures 4 significant figures
7) (3.4617x 102) (5.61 x 10-4) (9.87x 105) (3.1) (1.171 x 104) = 8) (3.52164 x 102)(3.1741 x 105) (8.22 x 107) (4.65217 x 10-3) (9.711 x 104) 9) (1.8741 x 1011) (5.6 x 104) (2.173 x 108) || 10) (1.745 X 100) (9.51 x 107) = (16.21) (9.346 x 10-10)
What is the uncertainty in the measured value 12.37040 after it is rounded to the following number of significant figures? The uncertainty of 6 is? The uncertainty of 4 is? The uncertainty of 3 is?
Determine the number of significant figures. 1. 100432.6783 / 2 2. 0.000004523 x 2.34 + 10.00000 3. 0.000004523 x 2.34 + 10
For the following calculations and questions, use all applicable rules of sig figs and rounding to determine the answers: 0.53 x 12.3 x 1.321 = 15.1 + 20. + 130 = How many sig figs in the number 0.00040 How many sig figs in the number 500. What is the exact answer to 8.00/4.00 =
Make the following calculation and report your answer to the correct number of significant figures running to the result, if necessary. (4.566+ 6.2192)/ 88.92
18- When the following operations are solved, considering the significant figures, in which case the results are given correctly. 1.2.1+0.043 + 6.21 = 1. 27.4 x 2.24 = a) O I. 8.35 II.61.38 b) OI. 8.353 II. 61.376 )O 1. 8.3 II. 61.4 d) O 1. 8.4 II. 61.4 OBoş bırak Каpat

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