please help me :(!! go to my profile and you'll see I asked 2 math questions. even if you can't answer all of them, your help would be greatly appreciated! ​

Agrocery sells green apples and red apples. on monday , the store put 500 of each kind of apple on display. that day, the store sold 42 red apples and 57 green apples.on tuesday the store sold 87 red apples and 75 green apples. on wednesday, the store sold 29 red apples and 38 green apples

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

How do you write something in scientific notation?