Angelaz1 Angelaz1

10-10-2017
Mathematics

contestada

The number 0.4 can written as 4/10, so it is a rational number

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dross3847 dross3847

10-10-2017

True

An easy way to tell if a number is irrational if you cannot count it, or convert it into a decimal/fraction.

Such as pie, square root of 11, etc.

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Аноним Аноним

10-10-2017

Yes because rational numbers can be turned into a fraction and as you see that's what you did...

0.4=4/10

Your answer is yes it is a rational number.

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