# math

posted by jai

1) Which of these is a rational number?
a. Pi
b. Square root 3 ******
c. Square root 2
d. 1.3 (the # 3 has a line at the top)

2) Which of the following sets contains 3 irrational numbers?

a. Square root 120 , n , Square root 3 ******
b. - Square root 256 , 1/9 , 1/12
c. 3.14 , -47 , 100
d. n , Square root 0.36 , Square root 121

1. Reiny

1.
π --- irrational
√3 --- irrational
√2 --- irrational
1.333.... = 4/3 ---- Rational

2. If n is your symbol for π
then your choice if a) is correct

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