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3 years ago

Write the explicit formula for the following sequence.3, 30, 300, 3000

Mathematics

1 answer:

masha68 [24]3 years ago

3 0

Answer:

common ratio(r) = 10

place of the term = n

a = 3

now

sequence of 1 term = ar^(n-1)

= 3×10^(1-1)

= 3× 10^0

= 3×1

= 3

sequence of 2 term = ar^(n-1)

= 3×10¹

= 30

and so on

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Ede4ka [16]

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2 years ago

Mary wanted to know the amount of time 7th grade students spend on homework each week, so she surveyed 20 students at random. Th

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Answer:

See explanation.

Step-by-step explanation:

Aim of experiment:

To discover the amount of time (average amount of time) that 7th grade students spend on homework each week.

Name of researcher:

Mary.

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- knowledge of the number of hours that some or all of the students spend on homework each week

- knowledge of the total number of 7th grade students (population statistics)

The issue or problem with this question is that it doesn't say what Mary found out after her research. There are no result statistics from the experiment! Mary surveyed 20 students out of the 164. Her findings will/can be used to infer about the population. Those findings are absent here, hence the question can't be solved.

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3 years ago

Write the explicit formula for the following sequence.3, 30, 300, 3000​

Write the explicit formula for the following sequence.3, 30, 300, 3000