Yes
(44 - 4)/4
21,600 using only four significant figures is still 21,600.
(4 * 4) - (4/4) equals 15.
Assuming you can only use the four basic operations, this is impossible.
Yes
how do i make 17 using only 2 4 6 8
145.992 using only four significant figures is 146.0
(44 - 4)/4
21,600 using only four significant figures is still 21,600.
As a solution to the four fours problem (using the number four no more than four times to come up with the solution, 31 is equal to (4!+4)/4+4!
You can't unless something is missing in your question.
4! - (4 x 4) - 4 = 4
(4 * 4) - (4/4) equals 15.
44 divided by 4.4 or (44 - 4) divided by 4
Google "Four Fours" and you will find a number of solutions, presented more comprehensively than we can.
No. You need at least four.