Describe how to use special product patterns to find 21^2

1 answer:

6 0

Answer:

21 x 21 = 441

Step-by-step explanation:

Whenever there is an exponent that is the many times you multiply the base by itself to.

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lakkis [162]

Answer:

In short, Your Answer would be Option D) 25

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Step-by-step explanation:

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Alekssandra [29.7K]

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Fiesta28 [93]

Your answer is g 2.21 x 1020

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artcher [175]

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the average is 168

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