Quick Answer

20 × 420

20 × 420 = 8400. To multiply 20 by 420, add 20 to itself 420 times, or use the standard multiplication algorithm. 20 × 420 = 8400.

8400

20 × 420 = 8400

How to Calculate 20 × 420

To multiply 20 by 420, add 20 to itself 420 times, or use the standard multiplication algorithm. 20 × 420 = 8400.

Expression20 × 420

Answer8400

20 × 420 = 8400

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