Question

plz send me the answer with method plz it's urgent​

Answer 1

Step-by-step explanation:

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Answer 2

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Answer:

Value of √80 = 4 .

             √405     9

Step-by-step explanation:

To find: Value of √80 .

                           √405

Solution:

√80    = √2×2×2×2×5 =√2²×2²×5 = 2×2×√5 = 4√5 = 4

√405     √3×3×3×3×5    √3²×3²×5    3×3×√5     9√5     9

                                       THANK  YOU