Answer:
3.43
Step-by-step explanation:
You have to to look at the next number from the hundredths which are the thousandths and if the number there is higher than 5 then round up the next number by adding 1 to it so..
since 3.425 as you can see the thousandths place is 5 which means you round up the number before it which is 3.425 then the number would be
3.43 < answer
