IED unit 3

How many sig figs are in 300?

• 3

• 2

• 1

How many significant digits are in 25400?

• 5

• 4

• 3

• 2

This number only has 3 significant figures, 46600000 what is the correct scientific notation for it?

• 4.66 x 106

• 4.66 x 10⁷

• 4.66 x 10 -7

• 466

Convert 17.2 yards to feet

• 51.6 yards

• 516 feet

• 43.21 feet

• 51.6 feet

Example: An American car company has designed a

new high fuel efficiency vehicle that is rated at 55

miles per gallon. The company plans to export the

car to Europe and must advertise the fuel efficiency

in SI units. What is the fuel usage rate in kilometers

per liter?

• 1 km = .621 mi

• 23 km/L

• 34 km/L

• 7 mpg

Before using the dial caliper you should always Zero the dial caliper.

• True

• False

Read the dial caliper in the image above

• 1.484

• 2.54

• 1.5

• .9856

• .645

• 6.45

• 1.25

• .0423

This formula represents

• standard deviation

• median

• mean

• range

With statistics the •General Rule: Don’t round until the final answer

• False

• True