Quick Answer

21 × 45

21 × 45 = 945. To multiply 21 by 45, add 21 to itself 45 times, or use the standard multiplication algorithm. 21 × 45 = 945.

945

21 × 45 = 945

How to Calculate 21 × 45

To multiply 21 by 45, add 21 to itself 45 times, or use the standard multiplication algorithm. 21 × 45 = 945.

Expression21 × 45

Answer945

21 × 45 = 945

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