By what factor would a numerical quantity change if measured in millimeters rather than kilometers?

A section of a farm land can be approximated as a rectangle that is 48 m wide and 172 mlong. Express the area of the farm land in square kilometers.

if the length of a rectangle is 20m and the breadth 2cm, what is an area of the rectangle in SI unit

An ostrich runs with velocity 20 km/h for 2 hours (hrs), 12 km/h for 3 hours, and 40 km/h for another hour.Compute the total distance traveled and indicate with a graph how this quantity can be interpreted as an area.

Hello, I am having trouble with this homework question. What would be the best approach in solving this problem and getting the answer in both scientific notation and as a whole number?   Unit Conversions (Metric < -- > United States customary) 1 mile = 5280 feet = 1.6 km1 lb = 0.454 kg = 16 oz1 liter = 33.8 oz1 gallon = 3.78 liter 7) How many ounces are in 6 pounds? e.g.      6 lb x 16 oz ^ 1 lb = _______ oz   8) Convert 23 miles to feet.___________________________________________ ft9) Convert 120 lbs to kilograms.____________________________________________ kg10) Convert 451 mL to ounces.____________________________________________ oz11) Convert 2.5 miles to km.____________________________________________ km12) Convert 2 days to seconds._________________________________________ s13) Convert 75 minutes to days._________________________________________ days14) Convert 1.8 gallon to ounces.____________________________________________ oz

A fathom is a unit of length, usually reserved for measuring the depth of water. A fathom is approximately 6 ft in length. Take the distance from Earth to the Moon to be 234,000 miles, and use the given approximation to find the distance in fathoms. (Enter a number with the correct number of significant figures.)