An adult human has 4.65 L of blood. An adult human has 4.65 L of blood. How many gallons of blood is that?How many gallons of blood is that?

Conversion Factors: 1 quart = 0.946 L

1 gallon = 4 quarts

What about Square and Cubic units? What about Square and Cubic units?

Use the conversion factors you Use the conversion factors you already know, but when you square already know, but when you square or cube the unit, don’t forget to cube or cube the unit, don’t forget to cube the number also!the number also!

Best way: Square or cube the Best way: Square or cube the ENITRE conversion factorENITRE conversion factor

Example: Convert 4.3 cmExample: Convert 4.3 cm33 to mm to mm33

4.3 cm4.3 cm33 10 mm 10 mm 33

1 cm 1 cm ( ) =

4.3 cm4.3 cm33 10 1033 mm mm33

1133 cm cm33

= 4300 mm3

Learning CheckLearning Check

A Nalgene water A Nalgene water bottle holds 1000 bottle holds 1000 cmcm33 of of dihydrogen dihydrogen monoxide monoxide (DHMO). How (DHMO). How many cubic many cubic decimeters is decimeters is that?that?

SolutionSolution1000 cm1000 cm33 1 dm 1 dm 33

10 cm10 cm( ) = 1 dm= 1 dm33

So, a dmSo, a dm33 is the same as a Liter ! is the same as a Liter !

A cmA cm33 is the same as a milliliter. is the same as a milliliter.

450g Ore 44g Iron 100 g oreAnswer:2.0X 102 g Iron

A 100-gram sample of iron ore was found to contain 44

grams of iron. How many grams of iron are in a 450-

gram sample of the ore

The density of a liquid is 0.821 g/mL. What is the volume of 71.3 grams of this liquid?

71.3g 1mL .821g Answer 86.8 mL

San Francisco to Los Angeles is 1,135 miles. If your vehicle gets 40 miles/gallon, and gasoline costs $3.50 per gallon, what is the cost to drive to LA from San Francisco?

1,135 miles 1 gallon $3.50 $99.31 40 miles 1 gallon

If a soccer field has dimensions of 450 Meters X 220 Meters what is the area of the field in cm2?

450M X 220M= 99,000M2

99,000M2 100CM 100CM Answer 990,000,000cM2 1M 1M

A recipe in metric calls for 250 mL of milk. How many kL of milk should be used?

250 mL 1 L 1kL 1000mL 1000L

2.5 X10-4 kL

Miss Hollingworth ran a half marathon (13.1miles) in 145 minutes. How many seconds would it take her to run to Portland?(151 miles)

151 miles 145minutes 60 seconds 13.1 miles 1 minute1.00 X 105 seconds

And there it was…….. Eureka!!

Is it worth the excavation…. The labor… The cost… Only you can find out…