3. Express each of the following numbers using exponential notation: (1) 512 (ii) 343 (ii) 729 (iv) 3125 4. Identify the greater number, wherever possible, in each of the following? (i) 43 or 34 (i) 53 or 35 (iii) 28 or 82 (iv) 100% or 2100 (v) 210 or 102 5. Express each of the following as product of powers of their prime factors: (i) 648 (ii) 405 (iii) 540 (iv) 3,600 sory 6. Simplify: (ii) 23 x 5 (iv) 3 x 44 (i) 2 x 103 (ii) 72 x 22 (vii) 24 x 32 (viii) 32 x 104 (vi) 52 x 33 (v) 0 x 102