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Mathematics
Mathematics
Problem
The number
−
5.
123
‾
-5.\overline{123}
−
5.
123
has the block 123 repeating. Identify the smallest set among the following that contains this number. a)
Integers
(
Z
)
\text{Integers }(\mathbf{Z})
Integers
(
Z
)
b)
Irrational numbers
(
I
)
\text{Irrational numbers }(\mathbf{I})
Irrational numbers
(
I
)
c)
Real numbers
(
R
)
\text{Real numbers }(\mathbf{R})
Real numbers
(
R
)
d)
Rational numbers
(
Q
)
\text{Rational numbers }(\mathbf{Q})
Rational numbers
(
Q
)
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