Resposta :
Resposta:
20.
Explicação passo a passo:
M(4) = {12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84 e 88}.
[tex] > \: resolucao \\ \\ \geqslant \: progressao \: \: aritmetica \\ \\ an = a1 + (n - 1)r \\ 88 = 12 + (n - 1)4 \\ 88 = 12 + 4n - 4 \\ 88 = 8 + 4n \\ 88 - 8 = 4n \\ 80 = 4n \\ n = \frac{80}{4} \\ n = 20 \\ \\ \\ resposta \: > \: sao \: 20 \: multiplos \: de \: 4 \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant [/tex]
