Maths Puzzle

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Across
  1. 2. The number used as the factor in exponential form. The number used for place value in a number
  2. 5. Line that cuts across parallel lines
  3. 6. There are four bedrooms. Two of them have 3 lights each. The other 2 have 6 each. How many lights are you installing?
  4. 8. The number system used by computers
  5. 10. The bottom number in a fraction
Down
  1. 1. Distance across through the center of the circle
  2. 3. the ratio expressed with on number over another number
  3. 4. This guy is into triangles
  4. 7. Extra money earned for providing good service
  5. 9. Four sided figure with four equal sides