4,400
The number 3 is in the hundredths place the 8 is behind the 3 so it’s larger than 5 so you turn the 3 into a 4(4,400) and turn all the numbers behind zero (4,400).
Step-by-step explanation:
This was actually a thing that I learned 4 years ago so I'm not sure but,
I think it's 4400
