Number 99

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Across
  1. 3. The sum of 9 and 8
  2. 5. 7 x 9
  3. 7. Four cubed
  4. 8. The sum of 9 and 2
  5. 10. Nine squared
Down
  1. 1. 36-26
  2. 2. The product of 9 and 8
  3. 4. The product of 9 and 2
  4. 6. The only even prime number
  5. 9. The next prime number after 29