Question

Find the square roots of the 400 by prime factorization method

Answer 1

Answer:

400=2 ×2×2 ×2×5 ×2

=> 400

=2×2×5

=20

Answer 2

Answer:

20

Step-by-step explanation:

400 = 2 x 2 x 2 x 2 x 5 x 5

       = 2⁴ x 5²

⇒ √400 = √(2⁴ x 5²) = 2² x 5 = 4 x 5 = 20

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