EXERCISE 3A (1) Using the prime factorization method, find which of the following numbers are perfect squares: (i) 441 = 3 × 3 × 7 × 7 = 3 2  × 7 2 (ii) 576 … Read more »

EXERCISE 2C OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (15) 3670000 in standard form is Ans: (c) 3.67 × 10 6       (16) 0.0000… Read more »

EXERCISE 2B (1) Write each of the following numbers in standard form:    (i) 57.36 = 5.736 × 10 (ii) 3500000 = 3.5 × 10 6 (iii) 273000 = 2.73 × 10 5 (iv) 168… Read more »

EXERCISE 2A (1) Evaluate: (2) Evaluate: (3) Evaluate: (4) Evaluate: (5) Evaluate (6) Evaluate (7) Evaluate (8) Find the value of: (9) Find the value of x  fo… Read more »

EXERCISE 1H OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (6) What should be added to 7/12 to get (-4)/15? (8) The sum of two num… Read more »