Question

If each of the following sequences is either arithmetic or geometric, continue the decimal patterns.

12.8, 11.6, 10.4, 9.2, ___, _____, _____
3, 1.5, 0.75, 0.375, ____, _____, _____

Answer 1

12.8, 11.6, 10.4, 9.2, 8.0, 6.8, 5.6

3, 1.5, 0.75, 0.375, 0.1875, 0.09375, 0.046875

Explanation:

The first one is arithmetic as the pattern is deducting 1.2, second one is geometric as it is dividing 2.