1
Using the rules of significant figures, calculate the
following:
14.8903 – 2.1 = ???
12.750 |
12.7 |
12.7503 |
12 |
1 Using the rules of significant figures, calculate the following: 14.8903 – 2.1 = ??? 12.750...
15. For the following problems, calculate the answer using the correct significant figures rules. a) 0.7856 cm + 0.47 cm = _________ b) 143.266 g – 24.6 g =_______ c) 40.0 mL + 75.3 mL = __________ d) 1.25 X 0.13 = ______ e) 0.0012 / 0.0008 = _____ f) [1.265 + 1.02] X 82 = ______
Use the rules for significant figures to find the answer to each of the following. (a) 60.33 ✕ 0.005 = ? (b) 60.33/1.2 = ?
2. Perform the indicated operations to the correct number of significant figures using the figures rules for a. 37.60 x 1.23 b. 6.7/8.9752 c. 3.765+1.2+37.21 To get credit, specify the rule you used to round your results. Three students make measurements (in m) of the length of a rod using a meter stick. Each student's mode calculate the mean L, standard deviation S and uncertainty u of the measurements. 3. are tabulated in the table below. Using your calculator in...
Use the rules for significant figures to find the answer to the addition problem S = 24.4 + 14 + 12.67 + 7.903.
There are two rules for determining the number of significant figures: ) If there is no decimal point-start at the RIGHT and count, beginning with the first non-zero digit. Examples 340 30400 34955 2 sf. 3 sf. 5 sf 2) If there is a decimal point--start at the LEFT and count, beginning with the first non-zero digit. Examples 340 3 sf. 5 s.f. 5 s.f 2 sf. 30400. 0.34955 0.00040 Determine the number of significant figures (s.f.) in each of...
Calculate with correct number of significant figures: 534.71x321.83x0.0019 7.529x10- Calculate with correct number of significant figures: 685.90 + 152.1 -0.125 I
From your General Chemistry knowledge, what are the rules for expression significant figures in addition and subtraction?
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
104.3 MHz (typical frequency for FM radio broadcasting) Express your answer using four significant figures. Calculate the wavelength of each frequency of electromagnetic radiation: 104.3 MHz (typical frequency for FM radio broadcasting) Express your answer using four significant figures. 1080 kHz (typical frequency for AM radio broadcasting) (assume four significant figures) Express your answer using four significant figures. 835.6 MHz (common frequency used for cell phone communication) Express your answer using four significant figures.
1) Convert the following to SI units Express answers using two significant figures. A) 1 HOUR B) 1 DAY C) 1 YEAR