When you perform mathematical calculations, the result of your calculations can never be more pre-cise than the least precise measurement. Add the following quantities: 44.1 kg + 8.002 kg + 0.93 kg -53.032. The least precise measurement, 44.1 kg, is precise only to the nearest one-tenth. The sum of themasses, therefore, must be rounded off to the nearest one-tenth. So, the answer is 53.0 kg.11. Complete these addition problems. Write the sum as a least precise measurement.a. 3.414 s+ 10.02 s + 58.325 s + 0.000 98 sb. 1884 kg + 0.94 kg + 1.0 kg + 9.778 kg12. Complete these subtraction problems. Write the difference as a least precise measurement.a. 2104.1 m - 463.09 mh. 2.326 h -0 104 08 hPHYS 121 (Lecture on Advanced Laboratory)Worksheet 2.2Multiplying and dividing are a little different. In these kinds of calculations, the product or quotienthas the same number of significant digits as the least precise number. If you multiply 21.3 cm by9.80 cm, the answer is 209, not 208.74. Because the less precise measurement, 21.3 cm, has only threesignificant digits, the product has three significant digits.13. Complete these multiplication problems. Write the product as a least precise measurement.a. 10.19 m X 0.013 mb. 140.01 cm x 26.042 cm × 0.0159 cm14. Complete these division problems. Write the quotient as a least precise measurement.a. 80.23 m + 2.4sb. 4.301 kg + 1.9 cmAverages follow the same rule. Suppose a car travels around a track three times. Your measurements forthe three trials are 45.0 km/h, 48.21 km/h, and 47.024 km/h. Determine the average speed of the car.45.0 + 48.21 + 47.024 = 140.234140.234 + 3 - 46.744 66Because the least precise measurement is 45.0 km/h, the answer can be precise only to the nearestone-tenth. Thus the correct answer, rounded off, is 46.7 km/h. Answer the following questions.15. An experiment calls for 16.156 g of substance A, 28.2 g of substance B, 0.0058 g of substance C,and 9.44 g of substance D.a. How many significant digits are there in each measurement?- C. D.A.В.b. What is the total mass of substances in this experiment?C. How many significant digits are there in the answer to part b?16. Your lab partner has measured 16.50 mlL of water. You accidentally tip over the graduated cylinderand spill some of the water. You stand the cylinder up and determine that there are R0 ml. ofwater left.a. Which measurement is more precise, your lab partner's or yours? Explain.b. How much water did you lose when you tipped over the graduated cylinder?

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When you perform mathematical calculations, the result of your calculations can never be more pre- dse than the least precise measurement. Add the following quantities: 44.1 kg + 8.002 kg + 0.93 kg- 53.032. The least precise measurement, 44.1 kg, is precise only to the nearest one-tenth. The sum of the masses, therefore, must be rounded off to the nearest one-tenth. So, the answer is 53.0 kg 11. Complete these addition problems. Write the sum as a least precise measurement. a 3.414 s+ 10.02 s+ 58.325 s+ 0.000 98 s b. 1884 kg + 0.94 kg+ 1.0 kg + 9.778 kg

When you perform mathematical calculations, the result of your calculations can never be more pre- dse than the least precise measurement. Add the following quantities: 44.1 kg + 8.002 kg + 0.93 kg- 53.032. The least precise measurement, 44.1 kg, is precise only to the nearest one-tenth. The sum of the masses, therefore, must be rounded off to the nearest one-tenth. So, the answer is 53.0 kg 11. Complete these addition problems. Write the sum as a least precise measurement. a 3.414 s+ 10.02 s+ 58.325 s+ 0.000 98 s b. 1884 kg + 0.94 kg+ 1.0 kg + 9.778 kg

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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