516.2
1286.4 is already to the closest tenth and could only be rounded to higher place points - like the ones, tens, hundreds or thousands.
The closest tenth to 62.98 is 63.0. When rounding to the nearest tenth, you look at the digit in the hundredths place, which is 9 in this case. Since 9 is greater than or equal to 5, you round up the digit in the tenths place to the next whole number. Therefore, 62.98 rounded to the nearest tenth is 63.0.
13.4
129.0
351.2
188.4
516.2
1286.4 is already to the closest tenth and could only be rounded to higher place points - like the ones, tens, hundreds or thousands.
114.6
32.6
10.6
148.8
12.5
169.3
4.0
531.1