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## Answers

484 = 2 × 2 × 11 × 11

√484 = √(

__2 × 2__×

__11 × 11__)

= 2 × 11

Therefore, √484 = 22

484=2 x2 x11 x11 according to prime factorisation then√484=2 x11 =22

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484 = 2 × 2 × 11 × 11

√484 = √(

= 2 × 11

Therefore, √484 = 22

484=2 x2 x11 x11 according to prime factorisation then√484=2 x11 =22