45.52 rounded to the nearest tenth is 45.5. You go to the last number on the right. The tenth is the number directly to the right of the decimal, or the second 5. Since 0-4 round down (the 5 stays the same), and 5-9 round up (the number to its left goes up 1 value, so 5 would go to 6 if it were 45.56 for example). Since 2 is within the 0-4 range, it rounds off to 45.5.
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