9
1
The next number is 13... you're adding the previous two numbers together to produce the next in line.
This sequence is the squaring of the numbers 1, 3, 5, and 7. The next number is 9^2 = 81.
63
Next number= 27 X 3 = 81.
8
4
The number that comes next in the series 1 2 2 5 3 10 is 7. You get this number by subtracting the number 3 from the number 10.
4
Give me answer
7. You have to add the previous number to the current number.
12
the next number is 21 because it is adding the last number stated.
7
9
34