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Algebra 13 Online
OpenStudy (emeraled345):

Which of these numbers is irrational? A fraction with numerator negative 15 and denominator 4, a fraction with numerator negative 7 and denominator 9, square root of 4, π

OpenStudy (emeraled345):

π

jhonyy9 (jhonyy9):

do you know what mean rational and irrational number ?

OpenStudy (emeraled345):

i know what it is i just don't know how to deal with fractions and π.

jhonyy9 (jhonyy9):

ok. so what you know about pi ? how many decimals has calculated till today ?

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