Hello <br/><br/>I'd like to check how to write a number. <br/><br/>#1 He left the second window from the right a little open. <br/><br/>Can I write "2nd" instead of "second" like #2? <br/>Is it grammatically OK? <br/><br/>#2 He left the 2nd window from the right a little open. <br/><br/>Thank you.