Number Puzzle

12345678910
Across
  1. 1. 15 x 5
  2. 5. square root of 841
  3. 6. 500 to the second power
  4. 8. 3.4 x 10^-3 in scientific notation
  5. 10. 1.4 x 10^8 in scientific notation
Down
  1. 2. 180 to the 3rd power
  2. 3. square root of 144
  3. 4. 10 to the 3rd power
  4. 7. 17 x 2
  5. 9. 12 x 9