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27 December, 19:12

Find the 12th term of the geometric sequence 10, - 50, 250

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  1. 27 December, 20:53
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    12th term of the geometric sequence is - 48,828,125

    Step-by-step explanation:

    Step 1: Given details are a = 10, n = 12 and r = a2/a1 = - 50/10 = - 5 Step 2: Calculate the 12th term of this geometric sequence using the formula a * r^ (n-1)

    ⇒ 12th term = 10 * (-5) ^ (12 - 1) = 10 * (-5) ^11 = - 48,828,125
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