Ok
So when you multiply by a fraction just multiply top by top and bottom by bottom
So top by top is 2 by 4 so 8
And bottom by bottom is 3 by 5 which is 15
So answer is 8/15
Hope this helps and don’t forget to mark as brainliest if you thought it was most helpful :)
A rational number is a number that can be written in form a/b where a and b are integers and b is not eual to 0
simplify eacy


we get


is irrational
since we can't write

as a rational number, the entire phrase is irrational
anwer is irrational
Answer:
Part A:at about 1.9 seconds.
Part B: 320 ft