Correct Answer: Option C

Explanation

T\(_7\) = ar\(^{n-1}\) = ar\(^{6}\)

a = - 10, r = - 5

T\(_7\) = -10(-5)\(^{6}\)

T\(_7\) = - 10 x 15625 = - 156250

There is an explanation video available below.

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