2. Which is the smallest?
3. Find the value of - 13 × 2 × - 4
4. Simplify 90 ÷ ( - 3 × 5)
5. Given that x =2, y = - 3 and m =2 , find the value of x / (y - m)
7. What is the coefficient of m in the expansion of (m + 2)(m + 4) ?
8. Find the HCF of 18xy and 6x²
9. Which of these is not a factor of 12ab?
10. Find the value of 2a × 5a²