What is the correct apostrophe use in the sentence below? Should there be an apostrophe in IQ's? <br/><br/>The race is not always won by the swift, nor do achievement and success always accrue to those with the nimblest wits and the highest IQ's. <br/><br/>Here's another one: <br/><br/>After a few handshakes and hello's, I saw Frank. <br/><br/>Should there be an apostrophe in hello's? <br/><br/><br/>Thank you. <br/><br/>cngoegan