Convert and Identify Numbers in Standard Form Quiz

A scientist measures the distance to a star as 4,500,000,000 kilometers. What is this distance in standard form?

• 4.5 x 10^8

• 45 x 10^8

• 4.5 x 10^10

• 4.5 x 10^9

A library has 1,200,000 books. Write this number in standard form.

• 120 x 10^4

• 1.2 x 10^5

• 12 x 10^5

• 1.2 x 10^6

The population of a city is 3,500,000 people. Express this population in standard form.

• 35 x 10^5

• 3.5 x 10^5

• 350 x 10^4

• 3.5 x 10^6

A factory produces 250,000 toys each year. How would you write this number in standard form?

• 2.5 x 10^4

• 2500 x 10^3

• 2.5 x 10^5

• 25 x 10^4

A marathon is 42,195 meters long. What is this distance in standard form?

• 0.42195 x 10^5

• 42.195 x 10^3

• 4.2195 x 10^3

• 4.2195 x 10^4

A smartphone can hold 128,000,000 bytes of data. Convert this number to standard form.

• 128 x 10^6

• 12.8 x 10^9

• 1.28 x 10^7

• 1.28 x 10^8

The Earth is approximately 12,742,000 meters in diameter. Write this measurement in standard form.

• 1.2742 x 10^8

• 1.2742 x 10^6

• 1.2742 x 10^7

• 12.742 x 10^6

A large company has 1,000,000,000 dollars in revenue. How would you express this amount in standard form?

• 1 x 10^12

• 10 x 10^8

• 1 x 10^9

• 1 x 10^6

A mountain is 8,848 meters tall. What is this height in standard form?

• 88.48 x 10^2

• 8.848 x 10^3

• 8.848 x 10^4

• 0.8848 x 10^4

A computer can process 1,000,000 calculations per second. Write this number in standard form.

• 10 x 10^5

• 1.0 x 10^5

• 1.0 x 10^6

• 1.0 x 10^7