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1 vote
Find the 66th term of the arithmetic sequence 25, 10, -5, ...

1 Answer

5 votes

Answer:

1000

Explanation:

Given data

we have the sequence

25, 10, -5, ...

we want to find the 66th term, let us apply the formula

an = a + (n – 1)d

a= 25

n= 66

d= 15

substitute

a66= 25+(66-1)15

a66= 25+(65)*15

a66= 25+975

a66= 1000

Hence the 66th term is 1000

User Palvinder
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