Question

5. Find the square root by prime factorisation method
(iii) 784
(v) 476

please say the answer​

Answer 1

784 = 2 × 2 × 2 × 2 × 7 × 7

⇒ Root 784 = 2 × 2 × 7 = 28

Also, 476 = 2×2×19. So, it has no exact square root.

Answer 2

Answer:

3.28

4.21.817

Step-by-step explanation:

prime factor of 784=2×2×2×2×7×7

hence it is 2×2×7=28

please mark as brainleast answer