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Mathematics 18 Online
OpenStudy (anonymous):

Is10arationalnumber?

OpenStudy (leedleleedleleedlelee):

isusingthespacebaraforeignconcept Yes, 10 is a rational number, Jessie.

OpenStudy (mertsj):

A rational number is any number that can be written in the form integer/integer and the denominator is not 0

OpenStudy (anonymous):

Ok what does that mean?

OpenStudy (mertsj):

Do you know what an integer is?

OpenStudy (anonymous):

no I need this for study island or I wont pass

OpenStudy (mertsj):

{...-3, -2, -1, 0, 1, 2, 3...} That is the set of integers.

OpenStudy (mertsj):

7 is a rational number because it can be written 7/1 or 14/2 . In other words, integer over integer. 3/4 is rational for the same reason

OpenStudy (mertsj):

pi is not rational because it cannot be written integer over integer

OpenStudy (anonymous):

Okay thanks

OpenStudy (mertsj):

.3333... is rational because it can be written 1/3

OpenStudy (mertsj):

So all terminating or repeating decimals are rational

OpenStudy (mertsj):

yw

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