Significant Digits FacebookTweet Basic Statistics > Significant Digits Significant digits refers to how many important or interesting digits there are in a number. For example: 221 = 3 sig. digits 2212 = 4 sig. digits 2211.1 = 5 sig. digits 0.0022 = 2 sig. digits. We aren’t ever interested in leading zeros. CITE THIS AS:Stephanie Glen. "Significant Digits" From StatisticsHowTo.com: Elementary Statistics for the rest of us! https://www.statisticshowto.com/significant-digits-rounding-statistics/ --------------------------------------------------------------------------- Need help with a homework or test question? With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. Your first 30 minutes with a Chegg tutor is free! Comments? Need to post a correction? Please Contact Us.