## BIG IDEAS - Significant means *measured* and not "important." Significant figures shows the uncertainty in a [[Measurements|measurement]]. The last recorded digit is the uncertain digit, it is a guess between two known demarcations on the tool (e.g., lines on a graduated cylinder or a ruler). --- Return [[Home|Home]] | [[SI units]] | [[Uncertainty]] | [[Notes Vault/Physics Notes Vault/Measurements/Dimensional Analysis/Dimensional Analysis|Dimensional Analysis]] | [[Notes Vault/Physics Notes Vault/Measurements/Graphing/Graphing|Graphing]]