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