Brad thinks that 2.2.2.2 is represented by 4^2.What is wrong with this answer?

Answer :

There is nothing wrong in the answer because

[tex]2\cdot2\cdot2\cdot2=4\cdot4=4^2[/tex]

but it should be represented by

[tex]2\cdot2\cdot2\cdot2=2^4[/tex]

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