if the number is above to 5 you add 1 EXAMPLE : 678 ROUND INTO THE NEAREST HUNDRED THE ANSWER IS 700 BECAUSE THE SIDE OF THE HUNDRED IS 5 AND ABOVE
and if the number is 4 and below copy the number and make it 0 : example: ROUND OF 248 TO THE NEAREST HUNDRED THE ANSWER IS : 200 BECAUSE THE SIDE OF THE NEAREST HUNDRED IS 4 AND BELOW