State the number of significant figures, scientific notation, and unit prefix. 1
ID: 3027882 • Letter: S
Question
State the number of significant figures, scientific notation, and unit prefix. 17.60, (K) 0.00126, (m) 288.000, (M) 8.4700, (d) 0.01750, (c) Perform the following operations the correct number of 35.42 times 22.3 = 6.5/9.330 = 2.865 + 8.2 + 24.32 = 8.45 - 12.1 - 8.332 = Three students named Abe, Bob, and Carl make measurements of the length of a table using a meter stick. Each student's measurements are tabulated in the following table. Modem laser technique made a value of 3.475 m in this measurement. Find the percent error of Bob Find the percent difference between and Abe and Bob Find the uncertainty of measurement of Carl Find the measurement of Bob. Make a graph of Length vs Trials for three students (Spread Sheet like MS Excel).Explanation / Answer
1.(a) number (significant figures) (significant notations) (unit prefix)
17.60 4(1,7,6,0) (1.76*10) (0.0176 k)
0.00126 3(1,2,6) (1.26*10^-3) (1.26m)
288000 3(2,8,8) (2.88*10^5) (0.28M)
8.4700 5(8,4,7,0,0) (8.47)*10^0) (84.7d)
0.01750 4(1,7,5,0) (1.75*10^-2) (1.75c)
In these questions, scientific figures are calculated , zero before the natural numbers (from 1) are not significant.
scientific notations are those in which numbers are calculated by multiplying it to the 10 or to 10 raise to something.
unit prefixes are given ,we have to calculate the value matching to the prefix ,for example,in 1st part K is given its unit prefix factor is 10^3, so we calculate the value 0.0176 matching to it.
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