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Elodia [21]
3 years ago
9

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

Mathematics
1 answer:
Alex777 [14]3 years ago
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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Answer:

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Step-by-step explanation:

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Fudgin [204]
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