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Evaluate square root of 10^2-7^2

$\sqrt{10^{2} - 7^{2}}$

Step 1

Raise $10$ to the power of $2$ .

$\sqrt{100 - 7^{2}}$

Step 2

Raise $7$ to the power of $2$ .

$\sqrt{100 - 1 \cdot 49}$

Step 3

Multiply $- 1$ by $49$ .

$\sqrt{100 - 49}$

Step 4

Subtract $49$ from $100$ .

$\sqrt{51}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\sqrt{51}$

Decimal Form:

$7.14142842 \dots$

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