What is the 5th term in the sequence that starts at 3 and increases by 3 each step?

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Study for the ATandT Information Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the 5th term in the sequence that starts at 3 and increases by 3 each step?

Explanation:
Each step adds the same amount, 3, so this is an arithmetic sequence with the first term 3 and a common difference of 3. The nth term is found by a1 + (n−1)d. For the fifth term: 3 + (5−1)×3 = 3 + 12 = 15. You can also list the terms: 3, 6, 9, 12, 15, and the fifth one is 15. So the correct value is 15.

Each step adds the same amount, 3, so this is an arithmetic sequence with the first term 3 and a common difference of 3. The nth term is found by a1 + (n−1)d. For the fifth term: 3 + (5−1)×3 = 3 + 12 = 15. You can also list the terms: 3, 6, 9, 12, 15, and the fifth one is 15. So the correct value is 15.

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