7.3. Since 3 is the tenth, you look at the number behind it (if there is no number behind it, it is already rounded). If that number is 5 or greater, increase the tenth value by one and replace everything after it with zero's (i.e. 6.89 rounded to tenth = 6.9(0)). If the number is 4 or lower (including 0), keep the tenth value the same, and turn everything after into zeroes (which is what we have here.
round 48.6 to the nearest tenth
Round 3.7416573 to the nearest tenth is 3.7
To the nearest tenth it is 2796.
It then is 0.7 to the nearest tenth
24.6 Round 24.583 to the nearest tenth? => 24.600
round 48.6 to the nearest tenth
Round 3.7416573 to the nearest tenth is 3.7
To the nearest tenth it is 2796.
118.0
It then is 471.4 to the nearest tenth
It is 61.9 to the nearest tenth
It then is 0.7 to the nearest tenth
It is 263.8 to the nearest tenth
4.4, to the nearest tenth.
24.6 Round 24.583 to the nearest tenth? => 24.600
It then is 1.5 when rounded to the nearest tenth
It is 64.2 when rounded to the nearest tenth