Question: A student is given the following expression involving irrational numbers: D=square root of (12) + square root of (18) - 3. Which of the following is the closest estimated value for D?
A) 4.5
B) 5
C) 6
D) 7
Correct answer: B
Grade: 8 | Topic: Number System | Difficulty: Medium | Standard: 8. NS. A. 2