5. Find the square root by prime factorisation method
(iii) 784
(v) 476
please say the answer
Answers
Answered by
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.
Answered by
1
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
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