Math

1.calculate the sum of the infinite series S(infinity)=16+4+1+..., (1 point)

A. -16/3
B.64/3
C.12
D. It does not converge

2.Which of the following formulas can be used to write 0.797979... as a fraction?

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  1. a = 16, r = 1/4
    S = a/(1-r) = 16/(1 - 1/4) = 16 * 4/3 = ?

    .7979.. = 79/99
    or, probably
    99x = 79

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