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13 December, 09:49

the first four terms of a geometric progression are 2,10,50,250 a) write down the common ratio of the progression b) write down the fifth term of the progression

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  1. 13 December, 11:15
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    The common ratio is 5 and the 5th term is 1250

    Step-by-step explanation:

    The common ratio is given by

    r=U (2) / U (1)

    =10/2

    =5

    The fifth term

    U (n) = ar^n-1

    U (5) = 2 (5) ^5-1

    =2*5^4

    =2*625

    =1250
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