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Square roots and real numbers

Khan Academy
The square root
543
10:18

Adding and simplifying radicals

More Simplifying Radical Expressions

Khan Academy
The square root
608
07:56

Simplifying radicals

Using exponent rules to simplify radicals or square roots

Khan Academy
The square root
634
09:44

Approximating square roots

Approximating Square Roots

Khan Academy
The square root
562
07:11

Simplifying square roots

Khan Academy
The square root
545
03:08