Which of the following is closest to 17.2 × 7.8?
- A. 130
- B. 140
- C. 150
- D. 160
Answer: A. 130
To estimate 17.2 × 7.8, we can round each number to the nearest whole number:
17.2 ≈ 17
7.8 ≈ 8
Now, we can calculate the product of these rounded numbers:
17 × 8 = 136
So, the closest option to 17.2 × 7.8 is 130.