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

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

450 X 220M= 99,000M2

99,000M2 100CM = Answer 990,000,000 cM2

1 M

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

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