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The square root SYMBOL is √ Occasionally it may have a superscript 2 to prevent any confusion with other types of roots.... ²√ Although not a Symbol, the square root can also be identified by using an index or power of ½. So, √9 = 3, ²√9 = 3 91/2 = 3............are three ways of showing that the square root of 9 is 3.
There are five types of dinosaurs.
9 to the 12th power would be 9 * 9 * 9 * 9 * 9 * 9 * 9 * 9 * 9 which would equal 282 429 536 481
0.6 = 3/5 = 6/10 = 9/15 (oops that's 3 fractions equivalent to 0.6 - there are 3 types of mathematician: those that can count, and those that can't.)
= 90 (9*10)