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IrinaVladis [17]
2 years ago
13

Find the 8th term of the geometric sequence 7,28,112,...

Mathematics
2 answers:
oksian1 [2.3K]2 years ago
8 0

Answer:

114,688

Step-by-step explanation:

the previous term is multiplied by 4 to get the next term.if you continue with this sequence you would eventually get 114 688

Andrej [43]2 years ago
6 0

Given that the sequence is gemoetric, you must find R.

R is equal to any given term divided by the term before it.

112/28 = 4

28/7 = 4

This sequence multiplies by 4 every time

I assume yall start at s1 not s0, so simply make an equation that multiplies by 4 every time that s increases

s(n) = 7*4^{n-1}<em> </em>

<em>plug in 8 </em>

<em />

s(8) = 7 * 4^{7} \\= 114,688

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