-14 POINTS SERCP11 1.4.OP.011. Find the number of significant figures in each of the following. (a)...
Need Help? Read ItWatch t 3. 0/7.14 points l Previous Answers SerCP11 1.4P 011 How many significant figures are there in each of the following? (a) 64.8 ± 0.8 (b) 4.16 x 10% Your response differs significantly from the correct answer Rework your solution from the (c) 2.8200 x 1076 Your response differs significantly from the correct answer. Rework your solution from the i (d) 0.0027 Your response differs from the correct answer by more than 10%. Double check your...
+-14 points SerCP11 29.1.P.003. Find the nuclear radii of the following nuclides. (Enter your answers to at least three significant figures.) fm 23 Na 11 fm 208 Pb 82
# 2/4 points Previous Answers SerCP11 6.1.OP.001. Find the magnitude of the linear momentum for the following cases. (Enter your answers in kg. m/s.) (a) a proton with mass 1.67 x 10-27 kg, moving with a speed of 4.00 x 10 m/s 6.68 Remember that momentum is mass times velocity. kgm/s (b) a 14.0-9 bullet moving with a speed of 300 m/s 4.2 kg. m/s (c) a 75.0-kg athlete running with a speed of 10.0 m/s 750 kg. m/s (d)...
will give thumbs up if answer is correct!
1. Ask Your T -13 points SerCP11 12.7.P.067. My Notes A 110-kg steel support rod in a building has a length of 2.0 mat a temperature of 20°C. The rod supports a hanging load of 5,000 kg (a) Find the work done on the rod as the temperature increases to 32°C. (Assume the average coefficient of linear expansion for stoel is 11 x 10 (°C)*') (b) Find the energy added to the...
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. Number of Significant Figures Result 29.3 + (284 x 4.2) 15.467.9.23 0.517 +0.2742 0.0394 x 13 17.1 +0.77 12.62 +1.5 +0.25 The longest river in the world is the Nile River with a length of 4,145 miles. How long is the Nile in cable lengths meters nautical miles Use these...
State the number in scientific notation and write the number of significant figures in each of the following numbers. Explain your answer. 1. a. 37.60 b. 0.0130 c. 13000 d. 1.2300 Perform the indicated operations to the correct number of significant figures using the rules for significant figures 2. a. 37.60 x 1.23 b. 6.7/8.975- c. 3.765+1.2+37.21 To get credit, specify the rule you used to round your results 3. Three students make measurements (in m) of the length of...
There are two rules for determining the number of significant figures: ) If there is no decimal point-start at the RIGHT and count, beginning with the first non-zero digit. Examples 340 30400 34955 2 sf. 3 sf. 5 sf 2) If there is a decimal point--start at the LEFT and count, beginning with the first non-zero digit. Examples 340 3 sf. 5 s.f. 5 s.f 2 sf. 30400. 0.34955 0.00040 Determine the number of significant figures (s.f.) in each of...
Use the rules for significant figures to find the answer to each of the following. (a) 60.33 ✕ 0.005 = ? (b) 60.33/1.2 = ?
Correct the number of significant figures in calculations
which are performed incorrectly.
Exercise 2.58: Problems - Significant Figures in Calculations 45.3254 x 89.00205 4034.05 0.00740 x 45.0901 = 0.334 49335 + 9061275.445 x 10-2 0.009010 x 6006.4 54.118 Check all that apply. The first calculation is performed correctly. The second calculation is performed correctly. The third calculation is performed correctly. The fourth calculation is performed correctly. Submit Previous Answers Correct Part B Correct the number of significant figures in calculations...
Convert the following units. Make sure that your answer has the proper number of significant figures. a. 4.8 g/cm3 to kg/m3 b. 941 µm to km. Use scientific notation for your answer. (µ is the prefix "micro" and 1 µm = 1 x 10−6 m) c. The speed of light is 2.9989 x 108 m/s. Convert to miles/hour. Use scientific notation in your answer. d. 782 kg to µg. Use scientific notion for your answer.