\[(5\sqrt{2})(2\sqrt{3})\]

1
Remove parentheses.
52×235\sqrt{2}\times 2\sqrt{3}

2
Simplify.
5×22×35\times 2\sqrt{2\times 3}

3
Simplify  2×32\times 3  to  66.
5×265\times 2\sqrt{6}

4
Simplify.
10610\sqrt{6}

Done

Decimal Form: 24.494897

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