Question: The attendance at three concerts was 876, 647, and 856. Which expression shows how to estimate the total attendance at the concerts?
A) 800 + 600 + 800
B) 900 + 700 + 900
C) 900 + 600 + 900
D) 1,000 + 700 + 900
Correct answer: C
Grade: 7 | Topic: Number System | Difficulty: Medium | Standard: 7.NS.A.3