Eighth Grade Mathematics Quiz

What is the result of multiplying 10^3 by 10^9?

• 10^18

• 10^12

• 10^6

• 10^27

If you multiply 10 by itself 5 times, what is the exponent?

• 10^6

• 10^7

• 10^4

• 10^5

How do you express the area of a rectangle with dimensions 1000 feet by 100 feet as a power of ten?

• 10^6 square feet

• 10^5 square feet

• 10^4 square feet

• 10^3 square feet

What is the volume of a pool that is 1000 feet long, 100 feet wide, and 10 feet deep, expressed as a power of ten?

• 10^8 cubic feet

• 10^5 cubic feet

• 10^6 cubic feet

• 10^7 cubic feet

If triangle DEF is similar to triangle ABC and the length of EF is 5 cm, what is the length of DE if the corresponding side in ABC is 6 cm?

• 2 cm

• 3 cm

• 4 cm

• 5 cm

In similar triangles, if one side of triangle ABC is 8 cm, what is the length of the corresponding side in triangle DEF if EF is 5 cm and BC is 10 cm?

• 4 cm

• 6 cm

• 5 cm

• 3 cm

How much does Elena earn per flyer if she gets paid 65 cents for every 10 flyers?

• 7.5 cents

• 8.5 cents

• 9.5 cents

• 6.5 cents

Who earns more after distributing 14 flyers, Elena or Jada?

• Elena

• Jada

• Cannot be determined

• Both earn the same

If Jada earns 75 cents for every 12 flyers, how much does she earn per flyer?

• 7.5 cents

• 7 cents

• 6.5 cents

• 6.25 cents

What is the total amount Jada earns for distributing 14 flyers?

• 85 cents

• 87.5 cents

• 91 cents

• 90 cents