How many significant figures are there in each of the following? 7.Times 10^-6 3.64 Times 10^-6...
How many of the following measurements contain 3 significant Figures? 0.408g 9.040 K 0.0400ms 9.05 times 10^24 m The correct answer for the addition of 7.5 g + 226 g + 1.311g + 2.g is _____. 13.07g 13.071 g 13g 13.1 g 10 g How many significant figures should be reported in the answer to the following calculation? 121 cm times 0.86 cm times 4.95687 cm = _____ cm^3. 3 5 none of the other given answers 4
Significant Figure Questions 1. How many significant figures are in each of the following numbers? 2430 0.0251 3 1.010 x 10 243.0 0.0040 900.0 243 7063.1 2.7000 5.98 x 103 2. Using standard scientific notation express 0.14503 meters in: em with 2 signíficant figures km with 4 significant figures 3. Express the following in scientific notation: 6795 to three significant figures 0.42885 to four significant figures
How many significant figures are in the following numbers: A) 78.9 B) 3.788 times 10^9 C) 2.46 times 10^-6 D) 0.0053 Carry out the arithmetic operations using significant digit rules. A) the sum of the measured values 756, 37.2, 0.83, and 2 B) the product of 0.0032 times 356.3 C) the product of 5.620 and pi Consider the two vectors A = 3i - 2j and B = -i - 4j Calculate A) A+ B B) A-B C) |A +...
How many significant figures are in each measurement? A. 143 grams C. 8.750 X 10-^2 gram B. 0.074 meter D. 1.072 meter thank you
2.9 How many significant figures are in each of the following? a. 11.005 g b. 0.000 32 m c. 36 000 000 km d. 1.80 X 104 kg e. 0.8250 L f. 30.0°C How many significant figures are in each of the following? a. 20.60 mL b. 1036.48 kg c. 4.00 m d. 20.8 °C e. 60 800 000 g f. 5.0 x 10-3L 2.18 2.10
To how many significant figures should each answer be rounded? Equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.290×10−7 m=4.630322937063×10−19 J(unrounded) After rounding, the answer to equation A should have *2 significant figures. *1 significant figure. *4 significant figures. *3 significant figures. *5 significant figures. Equation B: (6.022× 1023 atoms/mol)(0.795 g)20.18 g/mol=2.372×1022 atoms(unrounded) After rounding, the answer to equation B should have *1 significant figure. *3 significant figures. *5 significant figures. *2 significant figures. *4 significant figures.
question 6, 7 and 8 pls
State how many significant figures are proper in the results of the following calculations. (a) (36.84)(300)(46.210)(1.86) (b) (84.88)^2 (c) (2.9 times 10^-19) (3712) The magnitude of vector A is 25 m, and it points in the positive y direction. Vector B is added to A and the sum A + B points in the negative y direction with a magnitude of 17 m. What are the magnitude and direction of vector B ? magnitude...
How many significant figures are there in the following values? a) 0.25 × 10^−5= b) 109.00= c) 0.07 × 10−9= d) 0.109=
How many moles are contained in each if the following? Report appropriate number of significant figures a. 30.7g of CH4 b.12.0g of H2O
To how many significant figures should each answer be rounded? (6.626 x 10-34 J·s) (2.9979 x 10 m/s) = 4.880610663391 x 10-19 J(unrounded) 4.070 x 10-'m equation A: After rounding, the answer to equation A should have 5 significant figures. 2 significant figures. O 1 significant figure. O 3 significant figures 4 significant figures. equation B: (6.022 x 1023 atoms/mol) (0.935 g) 20.18 g/mol = 2.790 x 10” atoms (unrounded) After rounding, the answer to equation B should have O...