Here is a different number machine: 13 Input: 17 When the input is 17, the output is 10. Complete the number machine. Output: ______

The correct answer is: $10$

Explanation

From the example Input 17 → Output 10 we deduce the rule is: subtract the product of the digits from the number.

Steps:

  1. Product of digits of 17: $1\times7=7$
  2. Subtract from 17: $17-7=10$
  3. Apply same rule to 13: product $1\times3=3$, then $13-3=10$

Therefore the output is $10$.

Related

the allele for black noses in wolves is dominant over the allele fro the brown noses. There is no known selective advantage for one nose colour over another in wolves. If this remains true, which of the following statements is most liklely TRUE about the change in wolf nose colours re over many generations? Black noses will become more common than they are now black noses will stay about the same frequency as now black noses will become less common than they are now brown noses wil disappear after enough generations pass