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6. 1 is a/an..
- natural number, psoitive integer, integer, and real number
- natural number
- real number
- natural number, real number, integer
7. irrational numbers belong to the set of..
- real numbers
- natural numbers
- integers
- positive integers
8. 2/3 is a/an..
- real number, natural number
- rational number, and real number
- integer
- positive integer
9. 124.5547 in standard form
- 1 * 10^-2
- 1.245547 * 10^2
- 1.245547 * 10^-2
- 1 * 10^2
10. positve integers belong to the set of..
- rational numbers
- natural numbers
- integers
- real numbers
11. 0.0049615 to 1 significant figure is