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Question: Mrs. Fisher is playing "classify that number" with her math class. what type of number is named by PI.
a. irrational number
b. rational number
c. integer
d. whole number
Answers:

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is classified as an irrational number.
Irrational numbers are numbers that cannot be represented as the ratio of two integers.
is a non-repeating, non-terminating decimal which is characteristic of irrational numbers.

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Question: 2.73 with a repeating bar over the 73 is a rational number, right?
Thanks!
Answers:

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Yes, because the decimal part of 7.7373...(.7373...) can be expressed as , the ratio of two integers.

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Question: Which number is irrational?
a) sqrt 4/9
b) 9.737737773...
c)8.888...
d)they are all irrational
I picked D, because i'm pretty sure that this is right..but just to make sure i thought that i'd ask for some help.
Thanks!!
Answers:

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Nice try but no cigar!
Remember, a rational number can always be expressed as a ratio of two integers.
a) , a rational number.
b) 9.737737773... a non-repeating, non-terminating decimal. This is an irrational number.
c)8.888.. can be expressed as 8 8/9, a rational number.
So, choice b) 9.737737773... is the only irrational number in the list.

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