Across
- 2. a rational number who's cube root is a whole number. 27 is a perfect cube because its cube root is 3.
- 3. a product of repeated factors using an exponent and a base. The power 7 is read 7 to the third power or seven cubed.
- 6. a repeating decimal where the repeating digit is zero.
- 7. A number that can be written as a fraction.
- 10. A number that cannot be written as a fraction.
- 11. In a power the number of time the base is used as a faction. In 10 , the exponent is 3.
- 13. one of two equal factors of a number. If a =b,then a is the square root of b. A square root of 144 is 12 since 12 =144.
- 14. One of three equal factors of a number. if a =b, then a is the cube root of b. The cube root of 64 is 4 since 4 = 64.
Down
- 1. a rational number who's square root is a whole number. 25 is a perfect square because its square root is 5
- 4. repeating a set of digits.
- 5. A compact way of writing numbers with absolute values that are very large or very small. In scientific notation, 5,000 is 5.5x
- 8. the set of rational numbers set with the irrational numbers.
- 9. the symbol used to indicate a positive square root .
- 12. In a power, the number that is the common factor. In 10 , the base is 10. That is 10 =10x10x10.