Determine 4th term in the geometric sequence whose first term is -2 and whose common ration is -5.

= 250

Step-by-step explanation:

To obtain any term in the geometric sequence multiply the previous term by the common ratio r

here r = - 5 and = - 2, hence

= - 2 × - 5 = 10

= 10 × - 5 = - 50

= - 50 × - 5 = 250

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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