81. Each number is the previous number times three. 3 x 27 = 81.
(1, 27) and (3, 9)
yes by 1 x 27 and 3 x 9 do the math
27 times 3 = 81
81 Multiplying by 3 in each iteration. 1*3=3 3*3=9 9*3=27 [27*3=81]
Next number= 27 X 3 = 81.
The answer is 1,3,9,27,81. 81*1=81 3*27=81 9*9=81 27*3=81 81*1=81
81
1, 3, 9, 19, 27, 57, 171, 513
This generally refers to having something multiplied to itself three times x * x * x example: 3 cubed is 27 3 * 3 * 3 = 27 The name comes from the fact that the volume of a cube is the cube of one side.
For each term, multiply the previous by -3. So, 27*-3=-81. -81 is the next term.
It is 3 times 81 = 243
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