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Hampton Chambers
05/11/2023 · Primary School

2) Qual é o centésimo número natural par? (Utilize PA para resolver essa questão) 3) Calcule o número (n) de termos da PA (5,10.....785). (Utilize a fórmula: an = a1 + (n-1)r Onde a1 é o primeiro termo, an é o último termo e a razão(r) é calculada realizando a subtração do \( 2^{\circ} \) termo menos o \( 1^{\circ} \) termo). 4) Escreva uma PA de razão 3, sendo o primeiro termo o número de letras do seu nome. Depois calcule o \( 100^{\circ} \) termo e a soma de todos os termos dessa PA. Sn=(a1+an).n 2

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### 2) O centésimo número natural par é 200. ### 3) O número de termos da PA (5, 10, ..., 785) é 157. ### 4) O \( 100^{\circ} \) termo da PA é 302 e a soma de todos os termos é 61615.

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