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1 year ago

15

What is the sum of first 6 terms

1 answer:

zvonat [6]1 year ago

7 0

Answer:

182

Step-by-step explanation:

Sum = a(r^n -1) ÷ r - 1

1(-3^6 - 1) ÷ -3 -1

= 182

r = t2 ÷ t1 * since they stated that it is geometric

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