Answer:
4
Step-by-step explanation:
Answer: 25 as a exponent is
.
Step-by-step Explanation: To write a exponent, you figure out the main number and how many times the main number is repeating.
Ex: 91x91x91x91x91x91x91
Main number: 91
Repeating how many times: 7
Final answer: 
Answer:
Age of ben = n years
Age of Chloe = 2n years
Age of Dan = (n - 5) years
Now,
Sum of ben, Chloe and Dan's age = t years
or, n +2n + n - 5 = t
or, 4n - 5 =t
This is the required formula