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# Q.4 Express each of the following as a product of prime factors only in exponential form: (i) 108 × 192 (ii) 270 (iii) 729 × 64 (iv) 768

=$$2^8 × 3^4$$
(ii) $$270 = 2×3×3×3×5 = 2×3^3×5$$
$$=3^6 × 2^6$$
(iv) 768 = 2×2×2×2×2×2×2×2×3 = $$2^8 ×3$$