4 89/100
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∙ 11y ago489/500
4.89 = 489/100
examples:(a) 4.89= 489/100
4.89 is a rational number because it can be expressed as a fraction in the form of 489/100
You could leave it as 0.489 so that it is a fraction in decimal form rather than in the form of a ratio. That does not stop it being a fraction. Its rational equivalent is 489/1000 which cannot be simplified.
489/5000
489/500
4.89 = 489/100
examples:(a) 4.89= 489/100
4.89 is a rational number because it can be expressed as a fraction in the form of 489/100
You could leave it as 0.489 so that it is a fraction in decimal form rather than in the form of a ratio. That does not stop it being a fraction. Its rational equivalent is 489/1000 which cannot be simplified.
489 ml is equal to 489 cubic centimeters.
489 squared is 239,121.
97.8 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. And, since it is a decimal fraction, there is not another equivalent form apart from 97.7999... repeating. Its equivalent, in rational form, is 978/10. You can simplify this rational fraction if required.
375 + 489 = 864
1, 3, 163, 489
489 - 2 = 487