(a⋅b⋅8)2= (a\cdot b\cdot8)^2= (a⋅b⋅8)2=
We use the formula
(a×b)x=axbx (a\times b)^x=a^xb^x (a×b)x=axbx
Therefore, we obtain:
a2b282 a^2b^28^2 a2b282
a2⋅b2⋅82 a^2\cdot b^2\cdot8^2 a2⋅b2⋅82