Math ~CHECK MY ANSWERS~
posted by Jenny .
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
5) Which is equivalent to the expression shown? 5^3
a. 125
b. 15
c. 1/125 *****
d. 2

1)
1.3 = 13/10, so rational
or
1.333333...... = 1 1/3 = 4/3 which is rational
2)agree
3) agree
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