Question
Write the expanded form, solve them and find the correct answer of the following:
720 × 23
720 × 23
✓
Answer
720 x 23 = (700 + 20) x (20 +3)
= (700 + 20) × 20 + (700 + 20) x 3
= 700 x 20 + 20 x 20 + 700 × 3 + 20 x 3
= 14000 + 400 + 2100 + 60
= 16560
= (700 + 20) × 20 + (700 + 20) x 3
= 700 x 20 + 20 x 20 + 700 × 3 + 20 x 3
= 14000 + 400 + 2100 + 60
= 16560
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