760 is right
760
760
800
It is already rounded to the nearest ten.
760
760
Rounded to the nearest ten: 760 Rounded to the nearest hundred: 800
760
760
Well, honey, 759 rounded to the nearest ten is 760. Simple math, no need to make it more complicated than it needs to be. Just bump that 9 up to a nice, round 10 and call it a day.
760
760