Homework Answers
1) The number of significant figures can be gven as:-
0.00160 = three
8.40 x 10-4 = three
10,100. = five
1001.00 = six
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Indicate how many significant digits ore in each of the following numbers. a. 0 00160 b....
ဈ 2. & Indicate the precision and the. of significant digits of the following measurements in...
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2. & Indicate the precision and the. of significant digits of the following measurements in the space provided. Round off the measurements to the correct number of digits needed. 8 Express these rounded measurements in proper scientific notation in the last column. See example. OF SIG. DIG. MEASUREMENT PRECISION MEASUREMENT MEASUREMENT IN NOW NEEDED ROUNDED OFF SCI. NOT 63.479 m (example) 3 5 3 63.5 m 6.35 x 10 m uz A 0.004 659 m 2 B5 803 L...
3. b. How many significant digits are there in each of the following 2.0098 e. 7.003...
3. b. How many significant digits are there in each of the following 2.0098 e. 7.003 0.000456 f. 23 45410 19.002 1200 25,000 d.
Round off each of the following numbers to three significant digits, and express the results in...
Round off each of the following numbers to three significant digits, and express the results in standard scientific notation. a. 254,931 b. 0.00025615 c. 47.85 X 10^3 d. 0.08214 X 10^5
42. Identify the number of significant digits in the following measured values: a. 2.304 km b....
42. Identify the number of significant digits in the following measured values: a. 2.304 km b. 0.002000 g c. 12.0 mA d. 3.023 X 10^m
Significant Figure Questions 1. How many significant figures are in each of the following numbers? 2430...
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)...
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 +...
2.9 How many significant figures are in each of the following? a. 11.005 g b. 0.000...
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
Exercises for Scientific Digits in Calculations 1. Add the following: +3.16, +4.872, +2.5621, and -2.6 3.16...
Exercises for Scientific Digits in Calculations 1. Add the following: +3.16, +4.872, +2.5621, and -2.6 3.16 + 4.872 2.5621 To-59/4 1 10.59 2. Calculate the sum of the following: +8.765,-0.39, +12.637 3. Calculate the following: 2.03 x 0.15 x 43.12 - 85 4. Calculate the following: 48.33 x 0.864-24.1987 Multiple Choice Exercises in the Use of Significant Digits/Figures 5. When the value 3.449 is rounded to two significant figures, the number should be reported as: (A) 3.44 (B) 3.5 (C)...
1. how many significant figures do each of the following numbers have: (a) 214, (b) 81.60,...
1. how many significant figures do each of the following numbers have: (a) 214, (b) 81.60, (c)7.03, (d) 0.03, (e) 0.0086, (f)3236 and (g) 8700? 2. write the following numbers in powers of tenth notation: (a)1.156,(b)21.8,(c)0.0068,(d)328.65,(e)0.219 and (f) 444. 3.Write the following as full(decimal) numbers with standard units: (a) 286.6mm, (b)85 microV, (c)760 mg, (d) 60.0 ps, (e) 22.5fm, (f) 2.50 gigavolts. 4.A light year is the distance light travels in one year( at speed-2.998 x 10^8m/s). (a) how many...
3. (1 pts) How many significant figures in the following a) 350.0452 b) 0.004500 4. (2...
3. (1 pts) How many significant figures in the following a) 350.0452 b) 0.004500 4. (2 pts) Convert the following from scientific notation to decimal or vice versa. Use correct sig tigs. a) 3.221 x 10 mm b) 0.000421 ml c) 6.4100 x 10 km d) 66,070 g 5. (2 pts) Mercury in thermometers freeze at -32.5°C. What is the temperature in degrees Fahrenheit? T = 9/5 T +32°F 2.54cm/1") 6. (2pts) Write the equality and conversion factors (ratios for...
ဈ
2. & Indicate the precision and the. of significant digits of the following measurements in the space provided. Round off the measurements to the correct number of digits needed. 8 Express these rounded measurements in proper scientific notation in the last column. See example. OF SIG. DIG. MEASUREMENT PRECISION MEASUREMENT MEASUREMENT IN NOW NEEDED ROUNDED OFF SCI. NOT 63.479 m (example) 3 5 3 63.5 m 6.35 x 10 m uz A 0.004 659 m 2 B5 803 L...
3. b. How many significant digits are there in each of the following 2.0098 e. 7.003 0.000456 f. 23 45410 19.002 1200 25,000 d.
42. Identify the number of significant digits in the following measured values: a. 2.304 km b. 0.002000 g c. 12.0 mA d. 3.023 X 10^m
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 +...
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
Exercises for Scientific Digits in Calculations 1. Add the following: +3.16, +4.872, +2.5621, and -2.6 3.16 + 4.872 2.5621 To-59/4 1 10.59 2. Calculate the sum of the following: +8.765,-0.39, +12.637 3. Calculate the following: 2.03 x 0.15 x 43.12 - 85 4. Calculate the following: 48.33 x 0.864-24.1987 Multiple Choice Exercises in the Use of Significant Digits/Figures 5. When the value 3.449 is rounded to two significant figures, the number should be reported as: (A) 3.44 (B) 3.5 (C)...
3. (1 pts) How many significant figures in the following a) 350.0452 b) 0.004500 4. (2 pts) Convert the following from scientific notation to decimal or vice versa. Use correct sig tigs. a) 3.221 x 10 mm b) 0.000421 ml c) 6.4100 x 10 km d) 66,070 g 5. (2 pts) Mercury in thermometers freeze at -32.5°C. What is the temperature in degrees Fahrenheit? T = 9/5 T +32°F 2.54cm/1") 6. (2pts) Write the equality and conversion factors (ratios for...
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