Root number 10 and root number 7 are close to 3.
The root number 10 is close to 3. According to the relevant public information, the root number 7 is equal to 2.646, and the root number 10 is equal to 3. 162, taking one decimal place, so the root number 10 is closer to 3. The root sign is a mathematical symbol, and the root sign is a symbol used to represent the root operation of a number or an algebraic expression.