Answer:
2.862*10^5
Explanation:
First, move the decimal place until you have a number between 1 and 10. If you keep moving the decimal point to the right in 286200 you will get 2.862.
next, since you moved the decimal place to the left 5 times, the xoonent would be a positive 5.
Therefore, the answer is 2.862*10^5