You can choose the easiest way of multiplying the three numbers together. Test out your knowledge of multiplying 3 single-digit numbers with this quiz, then read on to complete the page.

as 911 is a dedicated number across the country. Other dedicated, national three-digit lines such as 988 and 211 also will be accessible in the same way.

As Lexington celebrates its 250th birthday, we look at why, how and when the city switched phone numbers from five digits to seven.