Answer: 3.20x10^8 is larger
Step-by-step explanation:
4.5x10^4=45000
3.20×10^8=320000000
"Alia gets 4^2 fewer than Kelly, who gets 3^3."
So it's about a subtraction.
Hope this helps.
r3t40
24 miles in total adding the rate of the boat and the current, 24*4 hours=96 miles per hour.