Round the answer to the correct number of significant figures. (38) + 5.9 = 12.590 rounded...
carry out the following calculations and round your answer to the correct number of significant figures. 123.45x6.7+8.9
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
Question 38 of 44 Using the correct number of significant figures, calculate the perimeter and volume of a small, rectangular mirror that is 3.665 in long, 1.519 in wide, and 0.063 in thick. Make sure to calculate the the perimeter of the front of the mirror, and not the side. Dimensions are given in inches, but the final answer should be in centimeters. Recall that 1 in 2.54 cm exactly. cm volume: cm
Calculate with correct number of significant figures: 534.71x321.83x0.0019 7.529x10- Calculate with correct number of significant figures: 685.90 + 152.1 -0.125 I
correct answer with significant figures
QUESTION 19 The correct answer (reported to the proper number of significant figures) to the following is 12.75 x 1.3621 = 17.40 17.0 17.4 17.367 17.37 QUESTION 20 Il Proctorio is sharing your screen electrons, There are neutrons in an atom of 54 Xe. protons, and 70 79.54
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? a 9 cm + 2.8 cm-11.8 cm (unrounded) O 1 significant figure 2 significant figures O 3 significant figures o ones place er rounding, the number O tenths place and thus has should be reported to the O hundredths place b 0.135 atm 0.6 atm-0.735 atm (unrounded) O 1 significant figure. and thus has2 significant figures 3 significant figures O ones place...
Round all answers to the correct number of significant figures. What are [H_3O^+], [OH^-], and pOH in a solution with a pH of 3.26?
Perform the calculation and record the answer with the correct number of significant figures. (34.123 + 7.10)/(98.7654 – 1.250) = _______
5. Concentration Calculations. Show all work and round to the correct number of significant figures. a. The pH of a solution is 12.76. What is the hydronium ion concentration? c. What is the hydroxide ion concentration?
Answer the following and round to the correct number of significant figures (don't forget units). a) 0.02123 m + 1.12 m + 0.00123 m = b) 2.3 cm - 1.23 cm + 120 cm = c) 25,430 km - 3,500 km + 200 km = d) (1.21 x 105 ) x (2.6 x 103 ) = e) 7.13 mm x 9.1 mm = f) 3.0 cm x 8.222 cm = g) 4.1 g ÷ 0.121 cm = h) 0.413 ÷...