This is the wrong answer. Also it needs 3 significant figures. Still wrong. Need to find area under the curve. 1.80 J is also wrong. Not Sure how to answer.
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This is the wrong answer. Also it needs 3 significant figures. Still wrong. Need to find area under the curve. 1.80 J is also wrong. Not Sure how to answer.
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- How many significant figures are in each of the following? a) 2.401 b) 0.0005337 c) 6.00 d) 5.1 x 105 e) 0.1336. The volume of a cube is 250 mm3. What is the length of one of the sides? (Express your answer in meters.)What is the area of a circle which has a diameter equal to 3.138 cm? Hint The area is cm².
- A map suggests that Atlanta is 730. miles in a direction 5.00°north of east from Dallas. The same map shows that Chicagois 560. miles in a direction 21.0° west of north from Atlanta.Figure P1.68 shows the location of these three cities. Modelingthe Earth as flat, use this information to find the displacementfrom Dallas to Chicago.Q1) A) Find the answers to the following problems using the rule of Significant Figures a) (10.4168) m - (6.0) m b) (1.31) ст х (2.3) сm c) (5.7621) m / (6.201) m d) (2.5000) m + (32.85) m B) Represent each answer above in the scientific notation1. Multiplication or division: keep the same number of significant figures in the product or quotient as is in the least precise factor. Examples: 3.1 * 25.6=79.360000... = 79 6.7/981.0=0.0068297655... = 0.0068 keep only 2 significant digits 2. Powers or roots: keep the same number of significant figures as in the original number. Example: Sqrt(38) 6.164414... keep only 2 significant digits = 6.2 (11.6)² = 134.5600000... = 135 Exercises 3. Addition or subtraction: Round off, to the number of decimal places determined by the number with the least number of places beyond the decimal point. Example: 31.5+24.61 +3.28+1.19 +0.762 +0.003 = 61.345 1. 3.9 * 78.9= = 61.3 (correct result) 2. 32.01 +96.321 +36.98 +0.00023 +28.9= 3. 26.9/98 = 4. 421 0.003 =
- Practice) a. To convert feet (ft) to meters (m), the number of feet should be multiplied by which of the following conversion factors? i. 1 m/3.28 ft ii. 3.28 ft/1 m b. To convert sq.in to sq.ft, the number of sq.in should be multiplied by which of the following conversion factors? i. 144 sq.in/1 sq.ft ii. 1 sq.ft/144 sq.in c. To convert sq.yd to sq.ft, the number of sq.yd should be multiplied by which of the following conversion factors? i. 1 sq.yd/9 sq.ft ii. 9 sq.ft/1 sq.yd 3. (Practice) Determine the final units of the following expression: 9.8m/s2 ×100cm/1m×1in/2.54cm×1ft/12in 4. (Practice) a. Determine the conversion factors that can be used to convert miles per gallon (mpg = mi/gal) to kilometers per liter (km/liter), given that 1 liter = 0.22 gallons and 1 kilometer = 0.6214 miles. b. Using the conversion factors you determined in Exercise 4a, convert 25 mpg into km/liter. 5. (Automotive) a. An automobile engine’s performance can be determined by monitoring its rotations per…Can i get help with these problems please3. Perform the following calculations and report your answer to the correct number of significant figures. c. 1.0042 +0.00621 d. (9.187 x 0.182) 3.1
- a. Multiply (1.359 x 109 m) by (2.4 x 10-¹0 m). Express your answer in scientific notation. b. Divide 1.24 x 108 m by 0.00020 sec. Express your answer in scientific notation and by using a prefix.1. Some measurements require measuring devices that are flexible, others do not. Use your tape measure or meter sticks to measure your: (a) Height.. (b) Arm Span..... (c) Circumference of little finger.... 175 cm 166 cm = 1.8 cm %3D What is the smallest division on the meter stick? To how many decimal places (in cm) can you accurately read the meter stick? 2. Some measurements require a different type of measuring device. Measure the length and width of the table top in meters. Length = 1.54 Width 0.93 m %3D m Calculate: Area = m2. (Show area calculation. Include the formula, units used in your calculation)1. The floor of a rectangular building has an area of 120 square meter. The length of the floor / is 4m bigger than its width, w. Solve for I. Hint: Start with the equation of the area in terms of I. What kind of equation do you get? /= 48.11 X feet ! No, that's not the correct answer.