Question

simplify the surd root 640​

Answer 1

Answer:

$\sqrt{640} \\ = \sqrt{2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 5} \\ = \sqrt{ {2}^{2} } \times {2}^{2} \times {2}^{2} \times 2 \times 5 \\ = 2 \times 2 \times 2 \sqrt{10} \\ = 8 \sqrt{10.}$

Step-by-step explanation:

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