johntaitt johntaitt

08-10-2021
Mathematics

contestada

find the sum of all the numbers between 0 and 207 which are exactly divisible by 3

Respuesta :

julianhensley julianhensley

08-10-2021

Answer: 7038 Brainliest please.

Step-by-step explanation:

to find : n

tn=a + [(n-1)d]

204=3+(n-1) 3

204-3= 3n- 3

201=3n-3

201+3=3n

204=3n

n=204/3

n =68

As we know

Sn=n/2(t1+tn)

Sn=68/2(3+204)

34(207)

7038

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