5 - 4 = 1 = 3^0
8 - 5 = 3 = 3^1
17 - 8 = 9 = 3^2
44-17 = 27 = 3^3
X - 44 = 3^4 = 81
X = 125
49
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.
24
Your starting check number should typically be the next number in sequence after the last check you used.
Please post a new question. You need to specify the bill's date and what letter is next to the date, not the letter next to the serial number.
The next number is -21
the answer will be 21
10
225
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
21
21
21
21.
The next number is 25 but there are the sequence is infinite so there can be no end to the sequence.
A single number, such as 12848384 does not make a series.
12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50