2 years ago

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

Mathematics

1 answer:

Alex777 [14]2 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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If two solids are similar and the ratio between the lengths of their edges is 2;7 what is the ratio of their volumes?

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Answer:

8 : 343

Step-by-step explanation:

Given 2 similar figures

ratio of sides = a : b, then

ratio of volumes = a³ : b³

Here the ratio of edges = 2 : 7, hence

ratio of volumes = 2³ : 7³ = 8 : 343

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3 years ago

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Step-by-step explanation:

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2 years ago

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Nonamiya [84]

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Step-by-step explanation:

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