1. Express the following numbers in correct scientific notation. 0.007230 -72800 308.70 2. How many significant...
Express the following numbers in scientific notation. Make sure you use the correct number of significant figures. Part 1 out of 4 (a) 145.75 + (2.3 times 10^-1) = times 10
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
the answers to problem number 3 please
2. Express the following numbers in correcet scientific notation. (Total 18 pts; 6 pts each) 293.43 3 9.30 o 0.00930 3. Round off the following numbers to three significant figures. (Total 20 pts; 4 pts each) 58240 5Raoo 0.07912 400.4 LOO 9.245 x 104 7.999
3. Express the following numbers and computed results in scientific notation, paying attention to significant figures a. 0.000000550 b. 3,200,000
Write the numbers in scientific notation, specify how many significant figures: a.) 105600.0000 b.) 0.006700
Bonus points Solve the following problems and express the results in scientific notation with the correct number of significant figures (1 mark each) a) b) c) (3.968) + (8.000) + (4.210% 10%) + (1496.) (6.543 × 10^9)x (7.2 x 10?)/(4.71096) (3.33 x 104) * (4.9283 * 10)
CHEMWURA Use scientific notation to express the number 355000 to: 1) one significant figure 2) two significant figures 3) three significant figures 4) four significant figures 5) six significant figures Submit Show Hints
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
SCIENTIFIC NOTATION 1. Write the following numbers in Scientific Notation. The coefficient or "mantissa" should be greater than or equal to 1 and less than ten. Numbers should have units. 145 children a. b. 200,010.3 meters 92,134,209.7 miles C. d. 81 neutrons 0.175 inches е. f. 0.0034 cm 0.000 000 00034 kg Write the following numbers in Standard Notation. (miE mile, s 2. second, ms millisecond) 1.35 x 10' meters а. 9.2 x10° mi b. 1.22 x10 s C. 3.4522...
With 2 significant figures and using scientific notation: a. How many square meters in an acre? b. How many square kilometers in a square mile? c. How many astronomical units in a parsec?