The correct answer would be 3.65.
The value of 2+8+32+128…..,n=9 is 174762
<h3>How to evaluate the series?</h3>
The series is given as:
2+8+32+128…..,n=9
Start by calculating the common ratio (r)
r = 8/2
r = 4
The sum of the series is then calculated as:

This gives

Evaluate the difference

Evaluate the quotient

Hence, the value of 2+8+32+128…..,n=9 is 174762
Read more about series at:
brainly.com/question/7882626
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Speak in English please. I would be more pleased to help if you write in English.
<span>t = 7, b = 12, so:
</span> 24t + (2b)t + 150
= 24*7 + (2*12)*7 + 150
= 168 + 168 + 150
= 486