TV[Review TeUse the References to accessIt is often necessary to do calculations using scientificeach of the following calculations.4.94 x 105 +6.77 × 10-4Visited7.84 x 10³ +4.94 × 1052.86 × 10-48.30 × 10-5(4.94 x 105) (6.77 × 10-4)Submit Answer11Retry Entire Group9 more group attempts

Rules for determining the number of significant figures in an answer : The result of an addition…

It is often necessary to do calculations using scientific each of the following calculations. 4.94 x 105 +6.77 × 10-4 7.84 x 10³ +4.94 × 105 2.86 × 10-4 = 8.30 × 10-5 (4.94 × 105) (6.77 × 10-4) Submit Answer Retry Entire Group 9 more group attempts

It is often necessary to do calculations using scientific each of the following calculations. 4.94 x 105 +6.77 × 10-4 7.84 x 10³ +4.94 × 105 2.86 × 10-4 = 8.30 × 10-5 (4.94 × 105) (6.77 × 10-4) Submit Answer Retry Entire Group 9 more group attempts

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 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Conversion Factors in Calculations Report Sheet - Lab 2 B. Signlficant Figures in Calculations B.1 Perform the following multiplication and division calculations. Give a final answer with the correct number of significant figures: 4.5 x 0.28 0.1184 x 8.00 x 0.0345 (42.4)(15.6) 1.265 (35.56)(1.45) (4.8)(0.56) B.2 Perform the following addition and subtraction calculations. Give a final answer with the correct number of significant figures. Pre settin 2-Line entry of up Entry Line). 11 digits scrolf line. Press 2nd immediately to the The second line (Res digits, plus a decimal po indicator, and a 2-digit pos Results that exceed the digr Notation. Indicator Definition 2nd function. 2nd UVD Hunohali
Use the References to access important values if needed for this question. It is often necessary to do calculations using scientific notation when working chemistry problems. For practice, perform each of the following calculations. (7.46 × 10°) (1.00 × 10-8) = 2.58 × 104 3.90 × 104 = 7.46 × 106) (3.90 × X 104) (7.11 × 105) (9.70 × 10-4) x
Are the answers written using the right number of significant figures? Explain. 1) 15.20+37580+29.5876= 37625.0 2) (3.46*10^3) x( 4.7*10^2)= 1.63 x10^6 3) 513 x 410= 210330 4) 14.0/11.263= 1.24 5) 3134*0.000054= 0.1692| 1 FOcus
Calculate the value and report to the proper number of significant digits (you may need to round your answer). Calculate the % error (or % relative error or % inherent error) and the absolute error. (20.54+0.02 × 0.254±0.003) / (3.21±0.05) = Value: % Error: 0.1 absolute error: +3 % (only 1 significant digit) (only 1 significant digit)
(4.21 x 10-9) x (3.2 x 10-6)= (4.1-0.0093) x (0.21 +0.19) = (4001 +0.043 +3.3) x 0.0001 = (6.5 x 10-5)/ (3.0 x 10-3)= (3.72 +8.35)x (6.231 x 102) / (3.000 x 104) =. (6.00 x 106) + (5.0 x 105) + (5 x 105) = (4.12 -3.91) x 6.124 1.57 x 0.5216
To prepare a solution of KCl, you weigh out 1.5672 (± 0.0003) g and dissolve it in a volumetric flask of 250.00 (±0.50) mL in volume. Express the molarity of the solution and its uncertainty with appropriate number of significant figures. (Formula mass of KCl is 74.551 ± 0.004 g/mol)
STARTING AMOUNT + X The state of Oregon has an entire area of 6.31 × 10⁰ Î ADD FACTOR :( ) X (1)² 0.6214 1.02 × 10³ m² Question 47 of 48 square kilometers ? 3.92 x 104 mi² 2.44 x 104 km² 1 1.63 x 10³ km ANSWER mi² (1.609)² 1.609 m What is this area in (0.6214)² 5280 RESET 3 mi 6.31 x 104 Submit
What do the abbreviations in the equations below mean? (write next to the equations) C + MU = R C% + MU% = 100% MU% = MU × 100% R C% = C × 100% R
People Tab Window Help ubmission History: 2. X 101 Chem101 E AWR prep 5 Google Docs Question 15 of 17 An atom of a particular element has a volume of 7.8 x 10-31 m3 What is this volume in cubic nanometers ? ADD FACTOR ANSWER RESET *( ) %3D 10° 10-6 (10-6)3 7.8 x 10 22 (10°)a (1)3 106 7.8 x 10 31 7.8 x 10-4 1 10-9 7.8 x 104 (10°)a nm nm3 um m3 um3 FEB 6. 3. tv
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Use the References to access important values if needed for this question. It is often necessary to do calculations using scientific notation when working chemistry problems. For practice, perform each of the following calculations. (3.10 × 10-5) (1.00 × 10-8) 10-8)=[ 3.55 × 104 2.75 x 10-4 7.55 × 105 (3.10 × 10-5) (2.75 × 10-4) 3.55 × 104
I don't understand the wording. The least significant digit means the last digit? 7.700 X 2.1 = 16.17 would the uncertainty be 0.01 ? 2.132 + 17 + 4.04 = 23.172 would the uncertainty be 0.001 ?