A. Convert 9.83 x 10-9 cm to nm
B. How many significant digits are in the answer to (43.00 - 38.2)/9.0000?
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A. Convert 9.83 x 10-9 cm to nm B. How many significant digits are in the...
Indicate how many significant digits ore in each of the following numbers. a. 0 00160 b. 8.40 times 10^-4 c. 10,100. d. 1001.00 Perform the following calculations to the correct number of significant digits. a. (1.1289 + 2.3400)/(1980 times 2.00) 6. (2 76 times 10^3-7.77 times 10^-1)/(45 + 23.47) c. (242.89X0.00671) d. 45.98 - (11.6)^4 3. Perform the following conversions. a. 90.9 cm to km b. 5.55 times 10^-Gm to pm c. 1125 km^3 to mL\",
b) None of these correct How many significant figures does 1261.60030 hava b) 8 9 D) 1,100 mm which distance measurement below is the longest? b) 795 um 0.003 km C 45,000 nm a) 84.3 d) Which 5. 3.70 x 10 Which number below does have the same number of significant figures for 0.420007 a) 0.0307 b) 0.0370 3 ) 37.000 d) 370 e
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.
How many significant digits are in the length measurement 100.60 centimeters?
1. How many significant digits are in the reading 200+/-0.2 mV? a.) Three, and it should be written as 200+/-0 mV b.) Three, and it should be written as 200+/-1 mV c.) Four, and it should be written as 200.0+/-0.2 mV 2. How many significant digits are in the reading 200+/-30 mV? a.) Two, and it should be written as 0.20+/-0.03 V b.) Three c.) Four, and it should be written as 200.0+/-30.0 mV
Question 3 4 pts How many significant figures should be in your answer when you convert 0.04070 m to units of nm? Question 4 4 pts Which of the following should exist as separated ions when dissolved in water? OBr2 CCH CH3CH OH • H₂O₂ KNO, auntini
how many significant figures are justified in a measurement of a length that is between 9 and 10 cm if the measuring device (ruler) has smallest divisions of 0.1 cm ?
Problem 3.1 If each of the 10 digits 0-9 is chosen at random, how many ways can you choose the following numbers? (a) A two-digit code number, repeated digits permitted. (b) A three-digit identification card number, for which the first digit cannot be a 0. Repeated digits permitted. (c) A four-digit bicycle lock number, where no digit can be used twice (d) A five-digit zip code number, with the first digit not zero. Repeated digits permitted.
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...
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...