8000+500+20+3
numer of 0's at the end is in accordance to the number of numbers behind the number you are writing
Answers:
Row one: 1 and 1
Row two: 1, 2, and 1
Row three: 1, 3, 3, and 1
Row four: 1, 4, 6, 4, and 1
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Explanation:
Each value can be found in Pascal's triangle. You can also use the nCr combination formula to get each value. The nCr formula is
![_n C _r = \frac{n!}{r!(n-r)!}](https://tex.z-dn.net/?f=_n%20C%20_r%20%3D%20%5Cfrac%7Bn%21%7D%7Br%21%28n-r%29%21%7D)
The value of n represents the row number. The r value is the column number, so to speak, for each row.
Answer: 25
Step-by-step explanation: