Question

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Answer 1

Answer:

36

Explanation:

$\sqrt{18 \times 8 \times 9} = \sqrt{1296} = 36$

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Answer 2

Answer:

36 is the answer.

Explanation:

$\sqrt{18 \times 8 \times 9}$

Now we prime factorise all the numbers

$\sqrt{2 \times 3 \times 3 \times 2 \times 2 \times 2 \times 3 \times 3}$

Now we group the numbers in pairs and remove them from under the roots.

$2 \times 2 \times 3 \times 3 = 4 \times 9$

4 × 9 = 36