Determine o décimo sexto termo da progressão geométrica (2,20,200....) e em seguida calcule a soma dos 17 primeiros termos. me ajudem por favor eu irei dar 35 pontos
Respostas
Resposta:
Resposta:
Sexto termo=200000
Soma dos 17 primeiros=22222222222222222
Explicação passo-a-passo:
2+20+200+2000+20000+200000+2000000+20000000+200000000+2000000000+20000000000+200000000000+2000000000000+20000000000000+200000000000000+2000000000000000+20000000000000000
22+2200+220000+22000000+2200000000+220000000000+22000000000000+2200000000000000+20000000000000000
2222+22220000+222200000000+2222000000000000+20000000000000000
22222222+2222222200000000+20000000000000000
2222222222222222+20000000000000000
22222222222222222
Resposta:
Resposta:
Sexto termo=200000
Soma dos 17 primeiros=22222222222222222
Explicação passo-a-passo:
2+20+200+2000+20000+200000+2000000+20000000+200000000+2000000000+20000000000+200000000000+2000000000000+20000000000000+200000000000000+2000000000000000+20000000000000000
22+2200+220000+22000000+2200000000+220000000000+22000000000000+2200000000000000+20000000000000000
2222+22220000+222200000000+2222000000000000+20000000000000000
22222222+2222222200000000+20000000000000000
2222222222222222+20000000000000000
22222222222222222
Explicação passo a passo: