Question

com base nos estudos:dos números inteiros​

Answer 1

$a \: .({ - 4} \: )^{2}.( { - 4 \: )}^{2} = \: + 4 {}^{2 + 2} =$

$+ {4}^{4}$

$b \: .{8}^{9} \div {8}^{3} = {8}^{9 - 3} = {8}^{6}$

$c \: .( { - 9} {}^{4} \: )^{3} = { - 9}^{12} =$

-9×-9×-9×-9×-9×-9×-9×-9×-9×-9×-9×-9=

+282,439,536,481

${(7.3)}^{3} = {7}^{3}.{3}^{3} = 343.9 =$

$3.087$

☆ESPERO TER AJUDADO☆