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Guided Practice. Sig Fig/Precision/Accuracy- 3. Question 1 (Sig Fig). 205=. Question 1 (Sig Fig). 205= 3 sig figs. Question 2. 0.00272=. Question 2. 0.00272= 3 sig figs. Question 3. 2860=. Question 3. 2860= 3 sig figs. Question 3. 2860= 3 sig figs Though 2860. = 4 sig figs. - PowerPoint PPT Presentation
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Guided PracticeGuided Practice
Sig Fig/Precision/Accuracy- 3Sig Fig/Precision/Accuracy- 3
Question 1 (Sig Fig)Question 1 (Sig Fig)
205=205=
Question 1 (Sig Fig)Question 1 (Sig Fig)
205= 3 sig figs205= 3 sig figs
Question 2Question 2
0.00272=0.00272=
Question 2Question 2
0.00272= 3 sig figs0.00272= 3 sig figs
Question 3Question 3
2860=2860=
Question 3Question 3
2860= 3 sig figs2860= 3 sig figs
Question 3Question 3
2860= 3 sig figs2860= 3 sig figs
Though 2860. = 4 sig figsThough 2860. = 4 sig figs
Question 4Question 4
0.004050=0.004050=
Question 4Question 4
0.004050= 4 sig figs0.004050= 4 sig figs
Question 4Question 4
0.004050= 4 sig figs0.004050= 4 sig figs
though 0.00405 = 3 sig though 0.00405 = 3 sig figsfigs
Question 5Question 5
0058 =0058 =
Question 5Question 5
0058 = 20058 = 2
Querstiuon 6Querstiuon 6
Do you count the leading Do you count the leading (beginning zero’s)?(beginning zero’s)?
Question 6Question 6
Do you count the leading Do you count the leading (beginning zero’s)?(beginning zero’s)?
NO---never….whether there NO---never….whether there is a decimal or notis a decimal or not
Question 7Question 7
Do you count the zero’s at Do you count the zero’s at the end?the end?
Question 7Question 7
Do you count the zero’s at Do you count the zero’s at the end?the end?
---ONLY when there is a ---ONLY when there is a decimal in the problemdecimal in the problem
Question 8Question 8
Do you count the zeros in Do you count the zeros in the middle (that are the middle (that are sandwiched between 2 sandwiched between 2 numbers)?numbers)?
Question 8Question 8
Do you count the zeros in the Do you count the zeros in the middle (that are sandwiched middle (that are sandwiched between 2 numbers)?between 2 numbers)?
Always – best part of the Always – best part of the sandwich (YUM)sandwich (YUM)
Question 9Question 9
326 =326 =
Question 9Question 9
326 = 3.26 * 10326 = 3.26 * 1022
Question 10Question 10
0.00087=0.00087=
Question 10Question 10
0.00087= 8.7 * 100.00087= 8.7 * 10-4-4
Question 11Question 11
12.4=12.4=
Question 11Question 11
12.4= 1.24 * 1012.4= 1.24 * 1011
Question 12Question 12
376590=376590=
Question 12Question 12
376590= 3.7659 * 10376590= 3.7659 * 1055
Question 13Question 13
0.261=0.261=
Question 13Question 13
0.261= 2.61 * 100.261= 2.61 * 10-1-1
Question 14Question 14
When you don’t see a When you don’t see a decimal point, it is decimal point, it is understood to be at understood to be at the___________?the___________?
Question 14Question 14
When you don’t see a When you don’t see a decimal point, it is decimal point, it is understood to be at the understood to be at the ENDEND??
Question 15Question 15
You count how many hops it You count how many hops it takes to get from the old takes to get from the old decimal place to the decimal place to the _________ decimal place._________ decimal place.
Question 15Question 15
You count how many hops it You count how many hops it takes to get from the old takes to get from the old decimal place to the decimal place to the NEWNEW decimal place.decimal place.
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Question 16Question 16
Convert 56.4 meters to Convert 56.4 meters to centimeterscentimeters
Precision/AccuracyPrecision/Accuracy
Question 1Question 1
(2,1,2.3,2.0) and the mass was (2,1,2.3,2.0) and the mass was actually 1actually 1
Precise =Precise = Accurate =Accurate =
Question 1Question 1
(2,1,2.3,2.0) and the mass was (2,1,2.3,2.0) and the mass was actually 1actually 1
Precise = YesPrecise = Yes Accurate =Accurate =
Question 1Question 1
(2,1,2.3,2.0) and the mass was (2,1,2.3,2.0) and the mass was actually 1actually 1
Precise = YesPrecise = Yes Accurate = NOAccurate = NO
Question 2Question 2
When you triple the When you triple the concentration of 0.0090 concentration of 0.0090
Question 3Question 3
What is the mean of (28, 13, 21, What is the mean of (28, 13, 21, 45, 62)?45, 62)?
Question 3Question 3
What is the mean of (28, 13, 21, What is the mean of (28, 13, 21, 45, 62)?45, 62)?
Mean = AverageMean = Average
28 + 13 + 21 + 45 + 62 = 16928 + 13 + 21 + 45 + 62 = 169
Question 3Question 3
What is the mean of (28, 13, 21, What is the mean of (28, 13, 21, 45, 62)?45, 62)?
Mean = AverageMean = Average
28 + 13 + 21 + 45 + 62 = 16928 + 13 + 21 + 45 + 62 = 169
169 / 5 = 33.8169 / 5 = 33.8
Question 4Question 4
What is the mode of (11, 12, 9, What is the mode of (11, 12, 9, 11, 8, 9, 16)?11, 8, 9, 16)?
Question 4Question 4
What is the mode of (11, 12, 9, What is the mode of (11, 12, 9, 11, 8, 9, 16)?11, 8, 9, 16)?
11 and 9 (2 modes are 11 and 9 (2 modes are shown)shown)
Question 5Question 5
What is the median of (18, 21, What is the median of (18, 21, 15, 19, 61)?15, 19, 61)?
Question 5Question 5
What is the median of (18, 21, What is the median of (18, 21, 15, 19, 61)?15, 19, 61)?
Put it in order first (15, 18, 19, Put it in order first (15, 18, 19, 21, 61)21, 61)
Median is 19Median is 19
Question 6Question 6
Label the independent and Label the independent and dependent variable….dependent variable….
Question 6Question 6
Label the independent and Label the independent and dependent variable….dependent variable….
Question 6Question 6
Label the independent and Label the independent and dependent variable….dependent variable….
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