what is the arthmetic sequence of 1 6 3 18 54 27 ? what is the missing terms ?
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9 243 - 81 = 162 81 - 27 = 54 162 = 54 * 3 54 = 18 * 3 27 - 18 = 9
6 12 9 18 15 30 27 54 51
The pattern looks like the previous number is multiplied by -3, hence the next number in the sequence would be (-54) x (-3) = 162
1 2 3 6 9 18 27 and 54.
1, 2, 3, 6, 9, 18, 27, 54 or 1, 54 2, 27 3, 18 6, 9