Quick Answer

21 × 3

21 × 3 = 63. To multiply 21 by 3, add 21 to itself 3 times, or use the standard multiplication algorithm. 21 × 3 = 63.

21 × 3 = 63

How to Calculate 21 × 3

To multiply 21 by 3, add 21 to itself 3 times, or use the standard multiplication algorithm. 21 × 3 = 63.

Expression21 × 3

Answer63

21 × 3 = 63

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