What is the common ratio between successive terms in the sequence?1.5, 1.2, 0.96, 0.768, …

Divide each term by the term before it to find the common ratio: 1.2 ÷ 1.5 = 0.8. Checking the next pair gives 0.96 ÷ 1.2 = 0.8 as well. The common ratio is positive 0.8, so the correct choice is D, 0.8.

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