A brief description of the relationship among the each of following groups of terms is to be given for the uncertainty in measurement, uncertain digit, significant figures, and exact numbers. Concept introduction: The significant figures are also known as the significant digits. It is the uncertainty associate with the measurement by rounding the results. Moreover the significant figures are defined in a number of the digits with certainty and first uncertain digit. The significance arithmetic is approximate rules to maintain significance throughout a computation. The enlightened scientific rules are called the propagation of uncertainty.
A brief description of the relationship among the each of following groups of terms is to be given for the uncertainty in measurement, uncertain digit, significant figures, and exact numbers. Concept introduction: The significant figures are also known as the significant digits. It is the uncertainty associate with the measurement by rounding the results. Moreover the significant figures are defined in a number of the digits with certainty and first uncertain digit. The significance arithmetic is approximate rules to maintain significance throughout a computation. The enlightened scientific rules are called the propagation of uncertainty.
Solution Summary: The author explains the relationship between uncertainty in measurement, uncertain digit, significant figures, and exact numbers.
A brief description of the relationship among the each of following groups of terms is to be given for the uncertainty in measurement, uncertain digit, significant figures, and exact numbers.
Concept introduction:
The significant figures are also known as the significant digits. It is the uncertainty associate with the measurement by rounding the results. Moreover the significant figures are defined in a number of the digits with certainty and first uncertain digit. The significance arithmetic is approximate rules to maintain significance throughout a computation. The enlightened scientific rules are called the propagation of uncertainty.
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Carry out the following calculation, making sure that your answer has the correct number of significant figures and units.
17.49 g + 75 g + 256.0 g =?
Give three examples illustrating each of the following terms.
Homogeneous mixture- sugar solution, salt solution, coffee and vinegar
Heterogeneous mixture-
Compound
Element
Physical change
Chemical change
between significant digits are always significant.
figures.
Example: 5,007 has 4 significant figures.
3) Trailing zeros in a number are significant only If the
number contalns a decimal polnt.
Example: 100.0 has 4 significant figures.
100 has 1 significant figure.
4) Zeros in the beginning of a number whose only function
Is to place the decimal polnt are not significant.
Example: 0.0025 has 2 significant figures.
5) Zeros following a decimal significant figure are
significant.
Example: 0.000470 has 3 significant figures.
0.47000 has 5 signlficant figures.
Determine the number of significant figures in the following numbers.
1. 0.02
6. 5,000.
4.
2. 0.020
2.
7. 6,051.006
3. 501 3
8. 0.0005 1.
4. 501.0
9. 0.1020
5. 5,000
10. 10,001 5
Determine the location of the last significant place value by placing a bar over the digit.
Example: 1.700)
9,010.0
4.7x10-8
10,8 00,000
3.0Tx 1021
0.00410
1. 8040
6. 90,100
0.0300
699.5
2,000X162
0.90100
2. 0.0300
7. 4.7 x 108
3. 699.5
8. 10,800,000.
3.…
Chapter 3 Solutions
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