4 ms·Pi is 3.1415, so rounded to four numbers that's 3.142.by iamphilrae 11y agoPi is 3.1415, so rounded to four numbers that's 3.142.deleted 11y ago[deleted]lorenzhs 11y agoyou rounded that incorrectly, the next digit is a 9: 3.14159265… but of course you are correct about the $31.42.tkjef 11y ago4, i know there's a 4 after the last 5. memorized up to that decimal place way back in the day.tkjef 11y agoJust realized it's a 35 rounded to 4.akerro 11y agoYou must be popular on parties.