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Mathematics 9 Online
Pixel:

what numbers can you multiply by pi to get a rational number

Pixel:

1 attachment
Elsa213:

Pixel, multiply the answer choices with 3.14 and see if the answers are rational numbers.

Pixel:

-9.8596 not rational so a isnt right

Pixel:

6.28 is rational? so b is right?

Elsa213:

Could 6.28 be written as a simple fraction?

Pixel:

6 and 7/25

Elsa213:

`A Rational Number can be written as a Ratio of two integers (ie a simple fraction).`

Elsa213:

B is probably correct, but make sure and check the rest of the answer choices.

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