Math

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Across
  1. 2. 27 is 3 ?ed
  2. 4. What is 3 to the ? of 3
  3. 6. Same as the power
  4. 9. the ? of 4 is 2
  5. 10. ? numbers are numbers that can only be divided by 1 and themselves
  6. 13. HCF means Highest Common ?
  7. 14. It is the ?-? number system
  8. 16. LCM means Lowest Common ?
  9. 17. ? 10 is the usual number system
Down
  1. 1. the ? of 27 is 3
  2. 3. Same as the exponent
  3. 5. ? numbers are the opposite of prime numbers
  4. 7. One number times another one
  5. 8. Other way of saying number
  6. 11. 3x3x3
  7. 12. Where the digit is
  8. 15. ? is a base-2 number system