Question

multiple and write the answer in simplest form
4√16 × √20​

Answer 1

Given,

$\[ 4\sqrt {16} \times \sqrt {20} \]$

Solution,

$\[ = 4\sqrt {16} \times \sqrt {20} \]$

$\[\begin{array}{l} = 4\sqrt {4 \times 4} \times \sqrt {4 \times 5} \\ = 4 \times 4 \times \sqrt {2 \times 2 \times 5} \\ = 4 \times 4 \times 2\sqrt 5 \\ = 32\sqrt 5 \end{array}\]$

Hence the simplest form is $\[32\sqrt 5 \]$

Answer 2

Answer:

simplest form:- 32√5

Step-by-step explanation:

4√16×√20

4×√{4×4}×√{5×2×2}

4×4×2×√5

=32√5

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