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var a = Math.round(5.49); var b = Math.round(4.5); var c = Math.floor(5.99); var d = Math.ceil(4.01);
Math.round()rounds a number to the nearest integer,
Math.floor()rounds a number downwards to the nearest integer and
Math.ceil()rounds a number upwards to the nearest integer. Therefore, the variables
dall get the value
round100that rounds a number to the nearest hundred.