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yarga [219]
3 years ago
9

(3.3×10^-7)(6.6×10^-5

Mathematics
1 answer:
hjlf3 years ago
5 0

2.178 * 10^-11 is the final answer you seek

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Find the sum of the first 8 terms of the series. 1/2 + 1 + 2 + 4
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\bf \cfrac{1}{2}~~,~~\stackrel{2\cdot \frac{1}{2}}{1}~~,~~\stackrel{2\cdot 1}{2}~~,~~\stackrel{2\cdot 2}{4}~~,...

so as you can see the common ratio is 2, and the first term is 1/2,

\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad  \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ ----------\\ r=2\\ a_1=\frac{1}{2}\\ n=8 \end{cases} \\\\\\ S_8=\cfrac{1}{2}\left( \cfrac{1-2^8}{1-2} \right)\implies S_8=\cfrac{1}{2}\left( \cfrac{-255}{-1} \right)\implies S_8=\cfrac{255}{2}

4 0
3 years ago
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Using the formula in model 1, choose the correct answers for the new balance and amount of interest earned in the following comp
melisa1 [442]
To find the total amount
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A=p (1+r)^t
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5 0
3 years ago
Need help due tonight!!
Luba_88 [7]

Answer:

64

Step-by-step explanation:

Each side length is being multiplied by 8

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1) D. (2, -6)

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Step-by-step explanation:

idk how to explain just trust me

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3 years ago
Connor bought some pears.He used 2/6 of the pears to make dessert.He gave 1/4 of the remainder to his neighbor.What fraction of
Xelga [282]
1/6 portion of pears to the neighbor
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3 years ago
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