Math Crossword

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Across
  1. 2. The greatest possible quantity of a value.
  2. 4. Find n in 2^(n+1) × 4^(2n−1) ÷ 2^(n−3) = 1024
  3. 5. Estimate the values in 48.61 ÷ 1.2 to 2 s.f., and solve?
  4. 7. Rationalise 12 ÷ (√7 + 1) completely = ?
  5. 10. Numbers written as exponents that specify repeated multiplication of a base.
  6. 13. A value or quantity that is nearly but not exactly precise.
  7. 14. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
  8. 15. If A = 154 and B = 49, find the lower and upper bound of A and B, then calculate the lower bound of A ÷ B to 1 d.p.
  9. 16. Find the upper bound of 48 to the nearest integer?
  10. 17. An irrational root of a whole number that cannot be expressed exactly as a simple fraction or a terminating decimal.
Down
  1. 1. When 0.00082 x 1.0 is written in standard form A x 10^n what is A?
  2. 3. A rate, number, or amount in each hundred.
  3. 4. What is the lower bound of 12.580 to 2 s.f.?
  4. 6. To reduce an expression to its most simple and basic form.
  5. 8. Simplify the ratio 252:630?
  6. 9. the range within which a true value in between the lower bound and upper bound.
  7. 11. The process of removing a root from the denominator.
  8. 12. Given √7 ≈ 2.65, find √63 to 2 d.p.?