Answer:
Step-by-step explanation:
If I read this correctly...
5 1/5^3= 5.20^3=140.608
5(5)^3=625
If this isn't the correct problems, sorry. it was kind of hard to decipher the last one.
He would spend $65.80 on 20 gallons of gas.
You can because you already know the number is 3 and the blank number is n
