Question

me ajude por favor eu imploro!!!!!!

Answer 1

Resposta:

$a)~-(-9)^{2} =-(-9~.~-9)=-81\\ \\ b)~5^{4} =5.5.5.5=625\\ \\ c)~(-9)^{2}=-9~.~-9=+81\\ \\d)~ 476^{0} =1\\ \\ e)~(-981)^{1} =-981\\ \\ f)~981^{1} =+981\\ \\ g)~(-4)^{5} =(-4).(-4).(-4).(-4).(-4)=-1024\\ \\ h)~0^{4} =0.0.0.0=0\\ \\ i)~-(2)^{6}=-(2.2.2.2.2.2)=-64\\ \\ j)~(-3)^{4} =(-3).(-3).(-3).(-3)=+81$

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