Scientific notation in real-world measurements

Move the decimal point to the right for a positive power of 10 and to the left for a negative power.

1. The population of a city is about 1.6 × 10⁵ people. Write this number in standard form.
2. A grain of pollen has a mass of about 5.8 × 10⁻⁵ g. Write this number in standard form.
3. A hard drive stores about 8.5 × 10⁶ bytes. Write this number in standard form.
4. The population of a city is about 7.7 × 10⁴ people. Write this number in standard form.
5. A grain of pollen has a mass of about 2.5 × 10⁻³ g. Write this number in standard form.
6. A grain of pollen has a mass of about 3.6 × 10⁻⁷ g. Write this number in standard form.
7. The distance from Earth to the Sun is about 4.6 × 10⁶ km. Write this number in standard form.
8. A grain of pollen has a mass of about 8.6 × 10⁻⁶ g. Write this number in standard form.
9. The population of a city is about 1.9 × 10⁵ people. Write this number in standard form.
10. The distance from Earth to the Sun is about 1.5 × 10⁸ km. Write this number in standard form.
11. The population of a city is about 4.3 × 10⁵ people. Write this number in standard form.
12. A grain of pollen has a mass of about 1.5 × 10⁻⁷ g. Write this number in standard form.
13. A grain of pollen has a mass of about 1.5 × 10⁻⁹ g. Write this number in standard form.
14. The population of a city is about 2.9 × 10⁶ people. Write this number in standard form.
15. The distance from Earth to the Sun is about 5.4 × 10⁵ km. Write this number in standard form.
16. A grain of pollen has a mass of about 8.5 × 10⁻⁴ g. Write this number in standard form.
17. A grain of pollen has a mass of about 8.3 × 10⁻³ g. Write this number in standard form.
18. The population of a city is about 2.6 × 10⁹ people. Write this number in standard form.
19. A hard drive stores about 4 × 10⁸ bytes. Write this number in standard form.
20. A hard drive stores about 3.1 × 10⁸ bytes. Write this number in standard form.