how do i input the fifth square root of 280 into the calculator?
Here's one way......
Type in 280 ......hit the xy key .........type in ..... (1/5) hit the " = " key
If you are using the online calculator on this site, then enter 280, then a key labled "x^y", then open a bracket ( 1/5) and then press = sign. You should get a number like=3.086253576....etc.