Question
Simplify each of the following: $109 \times 107$
✓
Answer
$109 \times 107 = (100 + 9) \times 107$
$= 100 \times 107 + 9 \times 107$
$= 100 \times (100 + 7) + 9 \times (100 + 7)$
$= 10000 + 700 + 900 + 63$
$= 11663$
$= 100 \times 107 + 9 \times 107$
$= 100 \times (100 + 7) + 9 \times (100 + 7)$
$= 10000 + 700 + 900 + 63$
$= 11663$
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