Exam 3: Multiplication of Whole Numbers

Burning 1 gallon of #1 fuel oil produces 137,000 Btu of heat. How many Btu of heat are produced when 210 gallons are burned?

Multiply the following numbers to obtain the correct answer: 5,198 x 2,998 =

A technician charges $17 per hour for labor. How much should be charged for a 32-hour job?

Multiply the following numbers to obtain the correct answer: 707 x 39 =

Multiply the following numbers to obtain the correct answer: 54 x 71 =

Multiply the following numbers to obtain the correct answer: 1,235 feet x 17

The answer when 2 times 3 times 110 is multiplied together is 332.

When multiplying two numbers, do not forget to include the units in the answer.

An apartment building has 21 apartments in it. Each apartment has 8 duct openings that need diffusers. How many diffusers are needed for the entire building?

A shopping mall has 31 air-conditioning units. Each unit can remove 37,000 British thermal units (Btu) of heat each hour. Find in Btu the total amount of heat that can be removed each hour.