Quick Answer

420 × 2

420 × 2 = 840. To multiply 420 by 2, add 420 to itself 2 times, or use the standard multiplication algorithm. 420 × 2 = 840.

840

420 × 2 = 840

How to Calculate 420 × 2

To multiply 420 by 2, add 420 to itself 2 times, or use the standard multiplication algorithm. 420 × 2 = 840.

Expression420 × 2

Answer840

420 × 2 = 840

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