640 multiplied by 13 is 8320

640 × 13 = 8320

Explanation: Multiplication is repeated addition. So, 640 × 13 means adding 640, 13 times:

640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 + 640 = 8320

Word Problem Style

If you have 13 boxes and each box contains 640 apples, then the total number of apples is 8320.

Quick Facts

Multiplication Table for 640

640 × NResult
640 × 1640
640 × 21280
640 × 31920
640 × 42560
640 × 53200
640 × 63840
640 × 74480
640 × 85120
640 × 95760
640 × 106400
640 × 117040
640 × 127680

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