2 squared, 22 or 2^2.
In some old programming languages 2**2, but this should be avoided since it is no longer standard. Excel, for example interprets "x**y" as "x times 10 to the power y"
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2 to the second power, written 2 with a superscript, (raised half a line to the right of the numeral 2).
Its hard to do type it out. Easier to write it. ^ means the number is raised or superscript. X = (2)^2 X (3)^3
7 to the second power
you write down the 4 and put a little 2 up above the right side of it
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