Rounded to the nearest whole number, 4.89 is approximately equal to 5.
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example: 489 127 to nearest thousand.
489 million
No, not to a whole number (489/5 = 97.8)
A rational number is one that can be expressed as one integer (whole number) over another integer. 4.89 = 489 ÷ 100 = 489/100 In this form 489 is an integer and 100 is an integer, so 4.89 can be expressed as one integer over another integer, thus it is a rational number.
489 = 111101001