First you would have to get them to have the same denomitator so 2 3/4 is the same as 2 6/8 but u cant subtract 1 by 6 so u move 1 8/8 over from 5 1/8 and get 4 9/8 and then u subtract and get 2 3/8
Descending is greatest to least
980377,802343,650863,374430,364321,230392
Hey there mate!
So, when doing this kind of notation (scientific notation), this is pretty much like braking down the number,and trying to make it more simple.

I hope this helps you! :)
Answer:
The answer is 6
Step-by-step explanation:
Answer:
6 Gallons per min
Step-by-step explanation
Unit rate is a fraction that has a one in the denominator
so you have 42/7 = n/1 so to make 7 a 1 , we divide by 7 . We do the same thing on top 42 divided by 7 is 6.