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what do you mean by dropping a few decimal places?
irrational numbers have infinitely many numbers after the decimal point.
if you mean like changing 3.14159265.... to just 3.14, yes it becomes rational.
False.
If you drop a few decimals, you make a different number.
1.414, a rational number, is close to (but different from) the square root of 2.
for the record, i'm in 7th grade (:
False..
An irrational number is best defined as "Any number that cannot be expressed in a fraction form"
Also, it is considered irrational if the decimal has no specific pattern to it.
Such as "pi"... ( 3.1415926...)
Hmm. it actually depends on how many decimal places you drop.
Not a few, an infinite number is required, so false.
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false
its false
ps: are you taking online classes?