Question

Which of the following is the proper scientific notation for the number 18,200?

Answer 1

1.82 x 10^4 i believe

Answer 2

18,200 is expressed in scientific notation as
`1.82 * 10^4`

Step-by-step explanation:

To write 18,200 using the scientific notation you have to divide it and multiply it by 10,000 (because 10,000 has 5 digits like 18,200) as follows:

`(18,200)/(10,000) * 10,000`

`1.82 * 10,000`

10,000 can be rewritten as
`10^4`. Therefore:

`1.82 * 10^4`