you wright all the numbers that multiply by each other that get the number and you see what the greatest number is( it takes time but when you get older you'll see it is good to do work now).
Answer:
The square root of 45
Step-by-step explanation:
9^2-6^2=c^2
81-36=c^2
45=c^2
c=sqrt(45)
1. 9x^5
2. 9x^6
3. 27x^5
4. 27x^6
it will last for five days
