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Leno4ka [110]
3 years ago
10

What is the third term of the sequence ? An=3•2^ (n-1)

Mathematics
1 answer:
ra1l [238]3 years ago
6 0

Answer:

12

Step-by-step explanation:

A₃ = 3 * 2⁽³⁻¹⁾ = 3 * 2² = 3 * 4 = 12

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185

Step-by-step explanation:

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3 years ago
398.574986215 to the nearest ten-thousandth.
Julli [10]

Answer: 398.5750

Step-by-step explanation:

It is important to remember that the fourth digit after the decimal point is in the ten-thousandth place.

Then, given the  following number:

398.574986215

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2. Identify the digit to the right of 9. This is:

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3 0
3 years ago
Is a survey of the guests about their preference of food at a party an observational study or experimental study? If it is an ex
Andreas93 [3]

Answer:

The study is an observational study.

Step-by-step explanation:

Observational study: In research methods, the term "observational study" is determined as one of the different studies that are being conducted by the researchers to observe or study the effects of a specific risk factor, treatment, diagnostic test, or some other intervention in the absence of an effort to change which participants are being exposed and which is not being exposed to it.

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In the question above, the given statement represents the observational study.

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