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 ?
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
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
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
State the number in scientific notation and write the number of significant figures in each of the following numbers. Explain your answer. 1. a. 37.60 b. 0.0130 c. 13000 d. 1.2300 Perform the indicated operations to the correct number of significant figures using the rules for significant figures 2. a. 37.60 x 1.23 b. 6.7/8.975- c. 3.765+1.2+37.21 To get credit, specify the rule you used to round your results 3. Three students make measurements (in m) of the length of...
How many significant figures are in each number ? A. 0.000312m B 312,000s C 108,700km D 1.563300 X 1011 m E 30,800
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...
How many Significant figures does each answer have? explain why did you consider that number? exact number or measured? ow many SignticanT fiqure has Rach answer a 8 moles X 3.5 L 4 mol b) 20.0 Lx 50 C 25 с c) V 30.0 L 2 2
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...
1. Re-write the following measurement results in their clearest form, with suitable numbers of significant figures. (a) 51.492±0.038512 m (b) 1.8321.333 s (c) 4.9911 × 10-6±5.346× 10-4 Ω (d) 0.0000000009447 0.0000000000098 A (e) 4.776 x 103 23V