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Solve: $7+4 \times \sqrt{5}$

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Cube roots of positive perfect cubes

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Q. Solve:

7+4 \times \sqrt{5}

Identify Operations and Numbers: First, identify the operations and numbers involved in the expression: $7$ , $4$ , and the square root of $5$ .
Calculate Square Root of $5$ : Calculate the square root of $5$ . Since it's an irrational number, we'll use an approximate value for simplicity, $\sqrt{5} \approx 2.236$ .
Multiply $4$ by Square Root of $5$ : Multiply $4$ by the approximate value of $\sqrt{5}$ : $4 \times 2.236 = 8.944$ .
Add $7$ to Result: Add $7$ to the result of the multiplication: $7 + 8.944 = 15.944$ .

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