Precision, Accuracy, and Sig Figs

Precision, Accuracy, and Sig Figs

Multiple Choice

What is this showing?

• Precision

• Accuracy

Multiple Choice

Who is more accurate when measuring a book that has a true length of 17.0cm?

• Susan:

  17.0cm, 16.0cm, 18.0cm, 15.0cm

• Amy:

  15.5cm, 15.0cm, 15.2cm, 15.3cm

Multiple Choice

Who is more precise when measuring the same 17.0cm book?

• Susan:

  17.0cm, 16.0cm, 18.0cm, 15.0cm

• Amy:

  15.5cm, 15.0cm, 15.2cm, 15.3cm

Multiple Choice

Which ruler is most accurate and precise ?

• bottom

• middle

• top

Multiple Choice

How many sig figs?

50.00

• 1

• 2

• 3

• 4

Multiple Choice

How many sig figs are in:

0.005965000

• 4

• 7

• 9

• 10

Multiple Choice

2.33+3.0=

• 5.3

• 5.33

• 5

• 5.0

Multiple Choice

3.22 x 2.0 =

• 6.44

• 6.4

• 6

• 7