Multiple choice What is the 5th term in the sequence 1, 1.2, 5.4, 13.6,...? 25.8 30.8 31.8 32.8 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The sequence is 1, 1.2, 5.4, 13.6. Differences: 0.2, 4.2, 8.2. The differences increase by 4.0. Next difference = 8.2 + 4.0 = 12.2. Next term = 13.6 + 12.2 = 25.8.