75
2+3=53+5=85+8=1313+21=3333 is the next number in this pattern. This pattern is called a Fibonacci.
33
512 squared
27= 3364=43125=53so next number will be 63 = 216
11205 The number you're adding keeps getting multiplied by 7.
If you mean: 9, 19, 39, 69 then the next number in the sequence is 109
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
12
75
16384
16.
the answer is 72.:)
304. Each number is twice the previous number.
34
2+3=53+5=85+8=1313+21=3333 is the next number in this pattern. This pattern is called a Fibonacci.
33