Maths

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Across
  1. 1. Calculate (46+8)x9.
  2. 4. Simplify 2y(6+4x)3.
  3. 6. Calculate 2565x - 56x.
  4. 7. What is the sum of supplementary angles?
  5. 10. Express 225 as the product of prime factors.
  6. 12. The interior angle of Hexagon.
  7. 13. Evaluate 13^3 x 5^2.
  8. 15. 3√3375 + 9^5.
  9. 18. Simplify the expressions of 5(9x+6)-4x+9.
  10. 20. Evaluate 9^3 x 2^4.
  11. 22. The HCF of 66 and 110.
  12. 23. Calculate 1000 - [6x(4+20)-4x{3+0)].
  13. 24. Calculate [(12+6)÷9]x4.
  14. 25. What is the sum of complementary angles?
  15. 26. The angle sum of the interior angles =(n-2)x180
Down
  1. 2. What is 8.239 rounded to 2 decimal places?
  2. 3. A plane is flying at the height of 5000m above the sea level and a submarine floating 1200m below the sea level, what is the distance between them?
  3. 4. The LCM of 75 and 100.
  4. 5. What is 5.32 to 1 decimal place?
  5. 6. Express 650 as the product of prime factors.
  6. 8. A number has index notation 3x5x13^3, what is the number?
  7. 9. A height of 400m.
  8. 11. 5^5 + √25 + 8^3.
  9. 12. 15x x 8 x 9.
  10. 14. Ab, what is the value of each expression when a=86 and b=13.
  11. 16. Abc, what is the value of each expression when a=12, b= 26, c=3.
  12. 17. A number has index notation 2x3^2x3x127, what is the number?
  13. 19. What is the angle sum of a quadrilateral angle?
  14. 21. What is the interior angle of a Triangle?
  15. 24. Calculate 48x9÷4