The answer is 1/47 (d), but i am not sure how to do this problem at all.

Step-by-step explanation:

For an alternating series ∑a(n), the error bound of the sum of the first k terms is:

E < | a(k+1) |

Here, k = 10:

E < | a(11) |

E < | (-1)¹¹⁺¹ × 1 / (4(11) + 3) |

E < | 1/47 |

E < 1/47

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