A few days ago
Can you… (math question about rational numbers)?
Find a real number that has an unending and nonreapeating decimal expansion, with the property that if you square the number, the decimal expansion of the squared number terminates.
Top 3 Answers
A few days ago
Favorite Answer
Try √(1/10) = x
This is irrational, since it equals √10/10 and √10
is irrational (10 is not a square). Thus it
has a nonterminating, nonrepeating decimal expansion.
But x² = 1/10, which has a decimal expansion of 0.1 .
0
A few days ago
I think pi will work.
0
A few days ago
NO!!!
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