Question

the product of prime factors only in exponential form (1) 144×225​

Answer 1

Step-by-step explanation:

144×225 = (12)² × (15)² = (2²×3)² ×(3×5)²

= 2⁴ × 3² × 3² × 5² = 2⁴ × 3⁴ × 5²

Answer 2

Step-by-step explanation:

We have

144 = 2 × 2 × 2 × 2 × 3 × 3 = 24 × 32

Thus, 144 = 24 × 32

Exponents and Powers Class 7 Extra Questions Maths Chapter 13 Q3

(ii) We have

225 = 3 × 3 × 5 × 5 = 32 × 52

Thus, 225 = 32 × 52