2 years ago

Please I need some answers

Mathematics

1 answer:

Zarrin [17]2 years ago

3 0

Answer:

Because each of the two numbers is a factor of the product, and since the

product has at least those two factors, it's a composite number by definition.

Step-by-step explanation:

can i have brainliest please and thxs

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Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15.

Naya [18.7K]

It's a geometric sequence.

$4,-12,36,... \\ \\
a_1=4 \\
r=\frac{a_2}{a_1}=\frac{-12}{4}=-3 \\ \\
a_n=a_1 \times r^{n-1} \\
a_n=4 \times (-3)^{n-1} \\
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It's the sum for term 4 through term 15.

$\boxed{ \sum\limits_{n=4}^{15} (\frac{4}{3}(-3)^n)}$