Units and Sig. Figs.

Giga (G)

Prefix and symbol for (10^9)

Mega (M)

Prefix and symbol for (10^6)

Kilo (k)

Prefix and symbol for (10³)

Centi ( c )

Prefix and symbol for (10^-2)

Milli (m)

Prefix and symbol for (10^-3)

Micro (µ)

Prefix and symbol for (10^-6)

Nano (n)

Prefix and symbol for (10^-9)

2.54cm

1 inch = ?cm

1.609km

1 mile = ?km

0.447m/s

1mph = ?m/s

39.37in

1 meter = ?inches

0.621mi

1km = ?miles

2.24mph

1m/s = ?mph

10,000m

Altitude of jet planes

1000m

Distance across campus

100m

Length of a football field

10m

Length of a classroom

1m

Length of your arm

0.1m

Width of a textbook

0.01m

Length of a fingernail

1000kg

Mass of a small car

100kg

Mass of a large human

10kg

Mass of a medium sized dog

1kg

Mass of a science textbook

0.1kg

Mass of an Apple

0.01kg

Mass of a pencil

0.001kg

Mass of a Raisin

Multiplication and division

Operations when the significant numbers in the result is same as the number in calculation with the fewest significant figures.

Addition and subtraction

The result has the same number of decimal places as the least precise measurement.