simplify each of the following exponential expressions:
a.
[tex] {7}^{2} [/tex]


b.
[tex] {6}^{3} [/tex]


c.
[tex] {12}^{2} [/tex]


d.
[tex] {2}^{4} [/tex]
e.
[tex] {10}^{3} [/tex]
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