.5,.25,.125
the next number in the sequence 1 5 25 125 is 625
1/5 , 1/25 , 1/125
It is 0.2
There are actually more than a pattern rule for that type of sequence. The pattern rule is not obvious. The sequence is actually this: an = 5a(n - 2) for n > 2, such that the seed values are a1 = 1 and a2 = 5. Another pattern rule is the number of palindromes using a maximum of five different symbols. The third one is the Inverse Binomial Mean transformation of the Fibonacci sequence.
The factors of -125 are 1, 5, 25, 125, -1, -5, -25, and -125.
Factors of 25 are 1, 5, and 25 Factors of 125 are 1, 5, 25, and 125 The GCF of 25 and 125 is 25
It can be almost any pattern. For example, Un = 120+n or Un = 115+2n or Un = 110+3n etc. Or, (1/25)*5^n or (1/78125)^5^2n etc.
5 and 25 do, in addition to 1 and 125.
I think it is to start at 1 and multiply by 5 each time. So, 1*5=5, 5*5=25, 25*5=125 etc.
1 x 125, 5 x 25, 25 x 5, 125 x 1 = 125
They are perfect cubes: 13, 23, 33, 43, and 53.
This is a geometric sequence. Each number is multiplied by the same constant, to get the next number. If you divide any number by the previous one, you can find out what this constant is.