Mastering Standard Form: Identify & Convert Numbers

1. Sarah has 3,000 marbles. Write this number in standard form.

• 300 x 10^1

• 3.0 x 10^3

• 3.0 x 10^2

• 30 x 10^2

2. A car travels 150,000 miles. How would you express this in standard form?

• 1.5 x 10^5

• 150 x 10^3

• 15 x 10^4

• 1.5 x 10^4

3. Identify the standard form of the number 4,500,000.

• 450 x 10^4

• 4.5 x 10^5

• 4.5 x 10^6

• 45 x 10^5

4. Convert the number 0.00056 into standard form.

• 0.056 x 10^-2

• 56 x 10^-6

• 5.6 x 10^4

• 5.6 x 10^-4

5. A school has 1,200 students. Write this in standard form.

• 1.2 x 10^3

• 120 x 10^1

• 12 x 10^2

• 1.5 x 10^3

6. If a book has 25,000 pages, what is this number in standard form?

• 2.5 x 10^5

• 25 x 10^3

• 0.25 x 10^5

• 2.5 x 10^4

7. Identify the standard form of the number 0.0045.

• 45 x 10^-4

• 0.45 x 10^-2

• 4.5 x 10^-3

• 4.5 x 10^3

8. Convert 7,800,000 into standard form.

• 0.78 x 10^7

• 7.8 x 10^5

• 7.8 x 10^6

• 78 x 10^5

9. A factory produces 500,000 toys each year. Write this in standard form.

• 5.0 x 10^5

• 50 x 10^4

• 5.0 x 10^6

• 4.0 x 10^5

10. If a city has a population of 3,200,000, how would you express this in standard form?

• 3.2 x 10^5

• 32 x 10^5

• 3.2 x 10^6

• 320 x 10^4