Quick Answer

21 × 9

21 × 9 = 189. To multiply 21 by 9, add 21 to itself 9 times, or use the standard multiplication algorithm. 21 × 9 = 189.

189

21 × 9 = 189

How to Calculate 21 × 9

To multiply 21 by 9, add 21 to itself 9 times, or use the standard multiplication algorithm. 21 × 9 = 189.

Expression21 × 9

Answer189

21 × 9 = 189

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