A cube (n3) is a number times itself times itself, or n times n2.
For the integers 0 and 1, the cube or any exponential is the same, 0 and 1.
03 = 0 x 0 x 0 = 0
13 = 1 x 1 x 1 = 1
For other whole numbers up to 10, the cubes are formed as follow:
23 = 2 x 2 x 2 = 8
33 = 3 x 3 x 3 = 27
43 = 4 x 4 x 4 = 64
53 = 5 x 5 x 5 = 125
63 = 6 x 6 x 6 = 216
73 = 7 x 7 x 7 = 343
83 = 8 x 8 x 8 = 512
93 = 9 x 9 x 9 = 729
103 = 10 x 10 x 10 = 1000
For non-zero integers from 1 to 40, the cubes are:
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Rational numbers and Real Numbers. The multiplicative inverses of integers are not integers.
yesYes, integers are real numbers.
No, integers are a subset of rational numbers.
Rational numbers are integers and fractions
No, not all rational numbers are integers. All integers are whole numbers, but a non-whole number can be rational if the numbers after the decimal point either 1. end or 2. repeat. So, sometimes rational numbers are integers, sometimes they're not. But all integers are rational numbers.