The answer depends on the degree to which the number is to be rounded. To the nearest tenths, it is 56.3 while to the nearest tens, it is 60.
To the nearest whole number, 56
1000
20,000
565
all the numbers through 564 to 652 are all inbetween 563 and 653
Sometimes it is advantageous to express a value in round numbers. To round to a particular place, look at the digit immediately to the right of the one you want to round to. If that digit is 4, 3, 2, 1 or 0, zero it and everything to the right of it out. If that digit is 5, 6, 7, 8 or 9, increase your target digit by one and zero everything to the right of it out.
1000
600
20,000
565
563 is an odd number 563 is a rational number 563 is a prime number
1 and 563. 563 is a prime number.
563 is!
563 = 56,300%
563
563 and 1
1000-563 = 437
563 milliliters = 0.563 liters (563/1000 liters)