Standard Form Answers
1. Write 362,000,000 in standard form
3.62 x 10^8
2. Write 592,400,000,000 in standard form
5.924 x 10^11
3. What is 0.00025 in standard form?
2.5 x 10^-4
4. What is 94,200 in standard form?
9.42 x 10^4
5. True or false? 14.2 x 10^4 is written in standard form?
False, the first number you write down has to be between 1 and 10. This would be 1.42 x 10^5.
6. A cell measures 0.003814mm, what is this in standard form?
3.814 x 10^-3 mm
7. Write 4.73 x 10^8 as an ordinary number
473,000,000
8. The mass of the moon is 7.348 × 10^22 kilograms, what is this as an ordinary number?
73,480,000,000,000,000,000,000
9. What is 98 x 10^7 written in standard form?
9.8 x 10^8
10. Calculate (3.1 x 10^7) x (4.2 x 10^8)
1.302 x 10^18