Unit Conversions, Significant Figures, Accuracy and Precision, and Scientific Notations

How many seconds are in a day? [1 day = 24 hrs, 1 hr = 3600 s]

• There are only seconds in a minute.

• 1440sec

• 86,400sec

• 84,600sec

How many yards are in 4 mile? [1760 yards = 1 mile]

• 1670yds

• 5280yd

• 7040yds

• 5820yds

How many inches are in 1 mile? [1760 yds = 1 mi, 1 yd = 3 ft, 1ft = 12 in]

• 66330in

• 63360in

• 63660in

• 63066in

What is the speed of a car that travels 20m/min in cm/s? [1 m = 100 cm, 1 min = 60 s]

• 12 cm/s

• 33 cm/s

• 0.003 cm/s

• 120 cm/s

A car travels 30 miles/hr. How fast is it going in m/s? [1609.34 m = 1 mi, 1 hr = 3600 s]

• 13.4 m/s

• 67.1 m/s

• 17.4 m/s

• 56.2 m/s

How many sig figs are there?
100000000

• 1
• 9
• 10

How many sig figs are there?
4004

• 1
• 2
• 3
• 4

How many sig figs are there?
0.000008

• 1
• 2
• 6
• 7

How many sig figs are there?
0.00400

• 1
• 3
• 5
• 6

How many sig figs are there?
9009.00

• 2
• 4
• 5
• 6