Question

What is the rule that describes the following number pattern
0,25;2,5;25;250​

Answer 1

aₙ=0.25*10ⁿ.

Explanation:

0.25*10=2.5; 2.5*10=25; 25*10=250.., then it can be written as aₙ=0.25*10ⁿ