SOLUTION: Well, I am dealing with Properties of Real Numbers. It says: Name the sets of numbers to which each number belongs. I only got 2 down. 1. -4.55 I don't really know. 2. Square r

Question 483221: Well, I am dealing with Properties of Real Numbers. It says: Name the sets of numbers to which each number belongs. I only got 2 down.
1. -4.55 I don't really know.
2. Square root of 10 - it's a Irrational number and Real Number, right?
3. -31 - I'm trying
4. 12 over 2 - I'm trying
5. 3 pie over 2 - Natural, Whole, Intergers, Rationals, and real numbers?
Found 2 solutions by richard1234, edjones:
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
-4.55 is a rational number because -4.55 = -455/100.

sqrt(10) is irrational and real.

-31 is rational, integer, but not a whole number (whole numbers are nonnegative).

12/2 = 6, rational, integer, whole, and natural number.

3pi/2 is irrational and real.

Look in your textbook or online for definitions of these numbers.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
1. -4.55=4 55/100 = 4 11/20 = 91/20 Rational
2. Square root of 10 Irrational
3. -31 negative integer
4. 12 over 2 = 6 natural
5. 3 pi (the correct spelling) over 2 = (3/2)pi irrational
.
all integers are rational.
all natural numbers are integers.
whole numbers are integers.
all the above numbers are real.
.
Ed
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