Answer :

Answer:

[tex]a_{n}=-4.8\cdot2^{n-1}[/tex]

Step-by-step explanation:

Explicit geometric sequence formula:
[tex]a_{n}=a_{1}\cdot r^{n-1}[/tex]

The first term in this sequence, [tex]a_1[/tex], is -4.8, and each term is multiplied by 2.

[tex]-4.8\times2=-9.6\\-9.6\times2=-19.2\\-19.2\times2=-38.4[/tex]

[tex]a_n=-4.8\cdot2^{n-1}[/tex]

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Rewritten by : Barada

Answer:

Step-by-step explanation:

here is an solution :