Guided Practice Sig Fig/Precision/Accuracy- 3

Question 1 (Sig Fig) 205=

205= 3 sig figs

Question =

= 3 sig figs

Question =

2860= 3 sig figs

Question = 3 sig figs Though = 4 sig figs

Question =

= 4 sig figs

Question = 4 sig figs though = 3 sig figs though = 3 sig figs

Question =

Question = 2

Querstiuon 6 Do you count the leading (beginning zero’s)?

Question 6 Do you count the leading (beginning zero’s)? NO---never….whether there is a decimal or not

Question 7 Do you count the zero’s at the end?

Question 7 Do you count the zero’s at the end? ---ONLY when there is a decimal in the problem

Question 8 Do you count the zeros in the middle (that are sandwiched between 2 numbers)?

Question 8 Do you count the zeros in the middle (that are sandwiched between 2 numbers)? Always – best part of the sandwich (YUM)

Question =

Question = 3.26 * 10 2

Question =

= 8.7 * 10 -4

Question =

12.4= 1.24 * 10 1

Question =

376590= * 10 5

Question =

0.261= 2.61 * 10 -1

Question 14 When you don’t see a decimal point, it is understood to be at the___________?

Question 14 When you don’t see a decimal point, it is understood to be at the END?

Question 15 You count how many hops it takes to get from the old decimal place to the _________ decimal place.

Question 15 You count how many hops it takes to get from the old decimal place to the NEW decimal place.

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Question 16 Convert 56.4 meters to centimeters

Precision/Accuracy

Question 1 (2,1,2.3,2.0) and the mass was actually 1 (2,1,2.3,2.0) and the mass was actually 1 Precise = Precise = Accurate = Accurate =

Question 1 (2,1,2.3,2.0) and the mass was actually 1 (2,1,2.3,2.0) and the mass was actually 1 Precise = Yes Precise = Yes Accurate = Accurate =

Question 1 (2,1,2.3,2.0) and the mass was actually 1 (2,1,2.3,2.0) and the mass was actually 1 Precise = Yes Precise = Yes Accurate = NO Accurate = NO

Question 2 When you triple the concentration of

Question 3 What is the mean of (28, 13, 21, 45, 62)?

Question 3 What is the mean of (28, 13, 21, 45, 62)? Mean = Average = 169

Question 3 What is the mean of (28, 13, 21, 45, 62)? Mean = Average = / 5 = 33.8

Question 4 What is the mode of (11, 12, 9, 11, 8, 9, 16)?

Question 4 What is the mode of (11, 12, 9, 11, 8, 9, 16)? 11 and 9 (2 modes are shown)

Question 5 What is the median of (18, 21, 15, 19, 61)?

Question 5 What is the median of (18, 21, 15, 19, 61)? Put it in order first (15, 18, 19, 21, 61) Median is 19

Question 6 Label the independent and dependent variable….

Question 6 Label the independent and dependent variable….

Question 6 Label the independent and dependent variable….