Question

considere a sequencia 10-2n escreva os 10 primeiros numeros dessa sequencia

Answer 1

$a_n=10-2n \\ a_1=10-2.1=8 \\ a_2=10-2.2=6 \\ a_3=10-2.3=4 \\ a_4=10-2.4=2 \\ a_5=10-2.5=0 \\ a_6=10-2.6=-2 \\ a_7=10-2.7=-4 \\ a_8=10-2.8=-6 \\ a_9=10-2.9=-8 \\ a_{10}=10-2.10=-10$