Multiplying Decimals Problems

If a cell phone plan costs $.52 per GB of data, and you use 2.5 GB of data, how much will you pay for the data usage?

A newly hatched fish is 0.25 inch long. An adult fish is 7.6 times as long as the newly hatched fish. How long is the adult fish?

(a)  

A toy car designer measures the length of the actual car shown. A toy car is 0.05 times as long as the actual car. How long is the toy car?

(a)  

There are nine pieces of rope that each measure 12.34 meters long. What is the combined length of the pieces?

(a)  

The price of a gallon of gasoline is shown. How much does it cost to fill an empty 12.5-gallon gas tank?

The operation I will use to find the total cost to fill an empty tank is ​ (a)   .

The total cost to fill up the tank is ​ (b)   .

The book store is having a sale on bookmarks. Each bookmark is on sale for $0.84. Each student in Ms. Duke's class decides to buy a bookmark. There are 23 students in Ms. Duke's class. How much will the class spend on bookmarks at the book store?

Hill Song Elementary is .40 the size of Hill Lake Elementary. If Hill Lake has 235 students, how many students are at Hill Song?

(a)  

A bag of onions weighs 3.24 pounds. How much would 6 bags of onions weigh?

(a)  

Celeste bought 4.6m of fabric that cost $3.57 per meter. What was her total cost?

Jacob bought 5 bottles of orange juice at a market. Each bottle cost $2.43. How much did the orange juice cost all together?