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20 squared = 20^2
2 to the power of 20 divided by 4 to the power of 10 is equal to one.
3² + 20 ÷ 2² = 9 + (20 ÷ 4) = 14.
If a number is to the power of 2 it is "squared". The number that is squared is the "root".
2 squared is equal to 2 raised to the power of 2, which is 2 x 2 = 4. In mathematical terms, squaring a number means multiplying the number by itself. So, 2 squared is 2 x 2, which equals 4.