Answer:
15.4
Step-by-step explanation:
Move the decimal point to the left:)
Hint: Smile and have a marvellous day!
154 / 10 = 15.4
If you're ever dividing any number and it isn't a multiple of 10 you just move the decimal over to the left once.
4,000
You go to the thousand number and see if the hundred number is higher than 5, if not then its stays the same.
Sorry
I don't know the answer
845.2 it no that hard