"Squared" means multiplied by itself. So 2 squared is two multiplied by 2.
2*2 which is also written as 22 and which equals 4.
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2 squared simply means two times itself, or in other words, 2*2
4 squared means multiplied by itself so 2 squared is 2 times 2 which is 4 if i took 7 squared, that would be 7 times 7 which is 49
"Squared" means that something is multiplied by itself. For instance, 5 squared means the same as 5 times 5.
A number squared means that the number is multiplied by itself.
Simple. When a number is 'squared' it simply means it is multiplied by itself. So, '20 squared' means 20 x 20, which equals 400.