Answered

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30. 9, -27, 81, -243, ...
Find the next number

Sagot :

Answer:

729

Step-by-step explanation:

Write the recursive formula through the pattern:

[tex]a_{n+1}=-3a_{n}[/tex]

Find terms of sequence through 9, -27, 81, -243 :

729

I hope this helps you

:)

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