9) There are ________ significant figures in the answer to the following computation: (29.2 - 20.0) (1.79 × 105) 1.39
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9) There are ________ significant figures in the answer to the following computation: (29.2 - 20.0)...
Give your answer in scientific notation, rounded to three significant figures. A sinusoidal EM wave has an electric field amplitude Em = 29.2 mV/m. What are the intensity and average energy density?
Express the following sum with the correct number of significant figures: 1.82 m + 143.9 cm + 5.30×105 μm Submit Answer Tries 0/2
Round each answer to the correct number of significant figures 2370 = 7.3832 = 3.21 9 + 2.8-0.135 + 10.6 = 22.265 = (30 +4.3 11.683 3.21
Calculate the molarity of each solution. 1.- 29.2 g of KCl in 0.895 L of solution Express your answer using three significant figures. 2.- 62.3 g of C2H6O in 3.4 L of solution Express your answer using two significant figures. 3.-35.2 mg of KI in 116 mL of solution Express your answer using three significant figures.
Correct Constants| Periodic Table Significant Figures Feedback: Your answer 1431.8 required for this part. Hz was either rounded differently or used a different number of significant figures than The predominant frequency of a certain fire truck's siren is 1350 Hz when at rest. Part B What frequency do you detect if you move with a speed of 20.0 m/s away from it? Express your answer with the appropriate units. 1243.7 Hz Submit X incorrect; Try Again; 3 attempts remaining Review...
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 = ?
Write answer to correct number of significant figures. For each of the following sets of pressure/volume data, calculate the new volume of the gas sample after the pressure change is made. Assume that the temperature and the amount of gas remain the same. (a) V 101 mL at 704 mm Hg; V = 4.9 mL at 711 mmHg 217 mL at 1.02 atm; V = 40 (b) V mL at 0.953 atm (c) V 3.23L at 105 kPa; V =...
Question 7 Which of the following numbers contains the designated correct number of significant figures? 1.04 2 significant figures 0.00302 2 significant figures 0.04300 5 significant figures 156 000 3 significant figures 3.06504 significant figures Question 9 What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL? 42g 53 g 41.9 g 67.1 g 67 g
Find A . Express your answer to three significant figures with appropriate units. Find B. Express your answer to three significant figures with appropriate units. Find C. Express your answer to three significant figures with appropriate units. Find ?1. Express your answer to three significant figures with appropriate units. Find D. Express your answer to three significant figures with appropriate units. Find E. Express your answer to three significant figures with appropriate units. Find F. Express your answer to three...
What answer should be reported, with the correct number of significant figures, for the following calculation? (249.362+ 41)/63.498 =