You have to find to numbers that are the same and multiply them to see if you the answer your looking for for example, square root of 36 is 6 because 6 time 6 is 36
The digit 2 would be in the hundred thousands place because if you say it out loud its "three million, two hundred fifty four thousand, one hundred and seven"
P=s1+s2+s3
Move +s1 to the other side. Sign changes from +s1 to -s1
P-s1=s1-s1+s2+s3
p-s1=s2+s3
Move s2 to the other side. Sign changes from s2 to -s2
p-s1-s2=s2-s2+s3
p-s1-s2=s3
Answer: p-s1-s2=s3
The pattern is multiply by 5
2 x 5 = 10
10 x 5 = 50
50 x 5 = 250
250 x 5 = 1250
Answer
The next two terms: 250 and 1250
2, 10, 50,250, 1250