12.9✓ Points: 3.00 out of 3cm³Perform the calculations below and give the results with correct significant figures.Question #4(1.751 x 42.2) (8.02 x 103 ÷ 764)-27.8 g + 5.461 g -3.89 g =2.13 in x 0.96 in x 4.508 in ==6.0in³Question #5Multiple Olympic and World Champion sprinter Allyson Felix is 5' 6" tall, weighs 121 lb, and can run200 meters in 21.69 seconds.

Step 1:1) 27.8 g + 5.461 g-3.89 g = 27.8 g + 1.571 g= 29.371 g Step 2:2) 2.13 in x 0.96 in x 4.508…

Answered: 12.9 ✓ Points: 3.00 out of 3 cm³…

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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Similar questions

Express each result in correct number of significant figures and with correct unit.
Carry out the division and enter the quotient with the proper number of significant figures in scientific notation. (6.880 x 10-8) ÷ (0.348 x 10-3) =
Round the following number to four significant figures and express the result in standard exponential notation: 0.00222755 2.228 × 103 22.28 × 102 0.2228 × 10-2 2.228 × 10-3 0.002228
Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits. 1.90 g - 0.9 g == g 0,8 g + 1.200 g = По g 2.777 g 1.50 g - = ☐ x10 X g
The water level in a graduated cylinder is initially at 225 mLmL and rises to 255 mLmL after a piece of lead is submerged. What is the mass, in grams, of the lead (D=11.3g/mLD=11.3g/mL)? Express your answer to two significant figures and include the appropriate units.
What answer should be reported, with the correct number of significant figures, for the following calculation? (965.43 x 3.911) + 9413.4136 13189 13189.2 1.319 x 104 O 1.3 x 104 1.32 x 104 1 nts
For the following division problem: (6.626 x 10–30) / (9.63 x 107) = ? What is the answer reported to the correct number of significant figures? (Assume both values are measured values.) 6.88 x 10^-38 (expressed in scientific notation) 6.9 x 10^-37 (expressed in scientific notation) 6.88 x 10^-24 (expressed in scientific notation) 6.881 x 10^-38 (expressed in scientific notation)
3
Perform the following calculations: a) 14.86 ml + 15.0 ml + 14.980 ml = b) (42.927 g/ml)(9.00 ml) = Round off the answers to the proper significant figures.
A student is given the following question:"What is the mass of a gold bar that is 7.379 × 10–4 m3 in volume? The density of gold is 19.3 g/cm3."The student obtains the answer through the following calculation: For the above calculation, how many significant figures should you report the answer to?
||| O MEASUREMENT AND MATTER Setting up a one-step unit conversion A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. 0.050 =).0 € 1 S 0x10 0.0 X μ 8 5
Using the listed equalities, convert the following numbers to different units. Make sure that you have the correct number of significant figures. 1 inch = 2.54 cm, 1 foot = 12 inches, 1 mile = 5280 feet, 1 yard = 3 feet, 1 nautical mile = 1.852 kilometers, 1 oz = 28.35 grams, 1000 mg = 1 gram, 1000 grams = 1 kg, 1 m = 100 cm, 1 Km = 1000 m 1.825 x 105 ft = _________ Nautical miles 3.650 kg = ___________________ mg

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