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Find the Square Roots of the Given Numbers by the Prime Factorisation Method. 400 - Mathematics

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Question

Find the square roots of the given numbers by the Prime Factorisation Method.

400

Solution

400 can be factorised as follows.

400 = 2 × 2 × 2 × 2 × 5 × 5

∴ `sqrt400  = 2 xx 2 xx 5 = 20`

  Is there an error in this question or solution?
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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 (Latest))
Chapter 6: Squares and Square Roots
Ex. 6.3 | Q: 4.02 | Page no. 102
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Find the Square Roots of the Given Numbers by the Prime Factorisation Method. 400 Concept: Square Roots - Finding Square Root Through Prime Factorisation.
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