0
Look: 0 1 2 3 4 5 6 7 8 9
0 is doubly symmetrical (horizontal and vertical axes)
3 is almost symmetrical about the horizontal axis
8 is almost doubly symmetrical
1 is almost symmetrical, and is truly symmetrical in some sans-serif fonts (but not in all languages: cursive French has a long leading stoke on the left)
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Can you give me an example of an infinite set?
The sets of natural numbers, even numbers, odd numbers, prime numbers, rational numbers, irrational numbers, algebraic numbers, trascendental numbers, complex numbers, the sets of points in an euclidean space, etc.The sets of natural numbers, even numbers, odd numbers, prime numbers, rational numbers, irrational numbers, algebraic numbers, trascendental numbers, complex numbers, the sets of points in an euclidean space, etc.The sets of natural numbers, even numbers, odd numbers, prime numbers, rational numbers, irrational numbers, algebraic numbers, trascendental numbers, complex numbers, the sets of points in an euclidean space, etc.The sets of natural numbers, even numbers, odd numbers, prime numbers, rational numbers, irrational numbers, algebraic numbers, trascendental numbers, complex numbers, the sets of points in an euclidean space, etc.
What are the difference between natural numbers and irrational numbers?
All natural numbers are rational numbers. No irrational numbers are natural numbers.
What are differences between natural numbers and real numbers?
Natural numbers extend from 1 to positive infinity.Real numbers are all numbers between negative infinity and positive infinity.ALL natural numbers are real numbers, but NOT ALLreal numbers are natural numbers.
What are terminating and non terminating numbers in rational numbers?
Terminating numbers are decimal representations of rational numbers. Nonterminating numbers may or may not be rational numbers.
How many digit 9 appear between 250?
None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!
