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Mathematics 18 Online
OpenStudy (anonymous):

What is the third term of this multiplication pattern? multiplication pattern using the formula 3 • 7n – 1 A. 1 B. 21 C. 147 D. 441

OpenStudy (anonymous):

7n-1 • 3

OpenStudy (anonymous):

Wait what does 7n mean?

OpenStudy (anonymous):

Seven times a number

OpenStudy (anonymous):

Okay.

OpenStudy (anonymous):

How am I supposed to figure out ''the number

OpenStudy (anonymous):

In a multiplication pattern with a formula, you start with n = 1

OpenStudy (anonymous):

Is it 21?

OpenStudy (anonymous):

Yes. I believe so.

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