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Well, not 'a few'. An irrational number can never be completely written out.

As a decimal, it just keeps going and going, forever. If you stop it anywhere

and say "That's the number.", then you have a rational number.

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Q: Can an irrational number become rarional by dropping a few decimal points?
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An irrational number can become rational by dropping a few decimal places?

An irrational number can become rational by dropping a few decimal places. Ans 2. An irrational number can produce a rational by being truncated as desired. The square root of 2 is often truncated to 1.414, and is useful in all sorts of technologies at that accuracy. However, it is no longer the square root of 2 ! It is often a useful approximation, but to a mathematician it is a queer duck.


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True or false an irrational number can become rational by dropping a few decimal places?

In This Case, the answer is false and this is why in the case you have the Square root of 3, or (√3) To Approximate this, you come up with a number near to 1.7320508075688772935274463415059... and so on this is irrational because it is non-repeating, or you cannot simply make a fraction of it. But, if this where true, the you would be saying this 1.7320508075688772935274463415059=1.732=1.7.... and, in math, this is not true a more simple explanation would be that if you had 1/3 and 3/10, which would you say is bigger? 1/3 is bigger, and here is why 3/10=0.3 1/3=0.333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333...... and so on but, if you slap all of those 3's off there, it becomes 0.3, making it "rational", but incorrect. -Nick Ogre


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