A single transformation does not provide enough information to determine a rule.
7X18=126 because 7x10=70 Then 7x8=56 126
Each number is decreasing by half.
The LCM of 21 and 56 is 168.
LCM(21, 49, 56) = 1176
56 is 44.44% of 126.
5-8-13-21-34-56-90.... The next number is the sum of the two previous numbers. This is the Fibonacci sequence, 1-1-2-3-5-8-13-21-34-56-90 etc
The LCM is 504.
A single transformation does not provide enough information to determine a rule.
17640
The GCF of 56, 98, and 126 is 14.
7, 14, 21, 28, 35, 42, 49, 56, 63, . . .14, 28, 42, 56, 70, 84, 98, 112, 126, . . .
7X18=126 because 7x10=70 Then 7x8=56 126
21/56 OR 21 -- 56
The numbers fit the quintic function: t(n) = (27n5 - 556n4 + 4253n3 - 14876n2 + 23440n - 11784)/24 for n = 1, 2, 3, etc
The GCF is 14
Each number is decreasing by half.