Real Numbers Answers

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Which equation shows the inverse property of multiplication?

A
4 + (-4) = 0
B
-8 + (-3) = -3 + (-8)
C
2 times one-half = 1
Option C
D
Eight-fifths + 0 = Eight-fifths
Option D
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Which number would support the idea that rational numbers are dense?

A
a natural number between and
Option A
B
an integer between –11 and –10
C
a whole number between 1 and 2
D
a terminating decimal between –3.14 and –3.15
3

Which number is irrational?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

Which of the following sets is closed under division?

A
natural numbers
B
non-zero integers
C
irrational numbers
D
non-zero rational numbers
5

Which set does not contain –3?

A
the set of all real numbers
B
the set of all integers
C
the set of all whole numbers
D
the set of all rational numbers

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