Maths fun crossword puzzle

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Across
  1. 3. are often known as powers or indices
  2. 4. in the interval 35-45, 45 is called
  3. 6. is calculated by using the formula P*R*T /100
  4. 8. tally marks are used to find which of the following
  5. 11. A square is a special case of
  6. 13. display data that change continuously over a period of time
  7. 15. if the radius of cylinder is doubled and the height remains the same
  8. 16. is the information collected in the form of numbers or numerical fact
Down
  1. 1. when sp is bigger than cp
  2. 2. denotes the repeated multiplication of a factor
  3. 5. out of 40 students in a class 25 % passed. How many student passed
  4. 7. (1/5)0 is equal to
  5. 9. opposite angles of rhombus are
  6. 10. the shape that has 4 sides and all sides length are equal and the bisect each other 90 angle
  7. 11. the difference between the highest and the lowest value of the observation in a data is called
  8. 12. means out of 100
  9. 14. when cp is bigger than sp