3 years ago

Someone please help

Mathematics

1 answer:

Anna71 [15]3 years ago

5 0

9514 1404 393

Answer:

622

Step-by-step explanation:

The n-th term of an arithmetic sequence is given by the formula ...

an = a1 +d(n -1)

where a1 is the first term (6), and d is the common difference (14-6=8).

Then the 78th term is ...

a78 = 6 + 8(78 -1) = 6 + 616 = 622

The 78th term is 622.

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