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EZEKIELSANTOS49IN
Answered

What is the 4th term of a geometric sequence whose a,= 2 and r = 3​

Sagot :

LOUSEEIN

Answer:

using the formula: [tex]a_{n}[/tex]=[tex]a_{1}[/tex][tex]r^{n-1}[/tex]

[tex]a_{4}= 2(3)^{4-1} \\a_{4}= 2(3)^{3} \\a_{4}= 2(27) \\a_{4}= 54[/tex]

DANIELMANDADO789IN

answer

a=4

n=4

a'10 = an'10-1

= 4x(2)'10-1

= 4x29

final answer: a'10=2048

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