Question

Which expression is NOT equivalent to 6 × 14?

6 × (10 + 4)
6 × 7 + 6 × 7
6 × 10 + 6 × 4
6 × (10 × 40)

Answer 1

6 × (10 × 40)

Explanation:

6 × 14 = 84

6 × (10 + 4) = 6 × 14 = 84

6 × 7 + 6 × 7 = 42 + 42 = 84

6 × 10 + 6 × 4 = 60 + 24 = 84

6 × (10 × 40) = 6 × 400 = 2400

Answer 2

Answer: 6 × (10 × 40)