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xxMikexx [17]
3 years ago
5

Consider the series 7/9+7/27+7/81+1/243 Which expression defines Sn?

Mathematics
2 answers:
Fed [463]3 years ago
6 0

Answer:

It’s d

Step-by-step explanation:

Shtirlitz [24]3 years ago
3 0

Answer:

b or c

Step-by-step explanation:

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Which expression is equivalent to -14-6
mezya [45]
Option B should be the correct answer
5 0
3 years ago
4.65 x 10 to the 3rd power
yaroslaw [1]

Answer:

(4.65 x 10)^3 = 100,544.625

Step-by-step explanation:

First, multiply 4.65 by 10

46.5

Now multiply this number by itself 3 times

46.5 x 46.5 = 2,162.25

2,162.25 x 46.5 = 100,544.625

So the answer is 100,544.625

Hope this helps :)

7 0
3 years ago
To determine her power usage​, Keri divides up her day into three​ parts: morning,​ afternoon, and evening. She then measures he
marusya05 [52]

Answer:

Stratified Sampling

Step-by-step explanation:

Since Keri divides the day into different strata and each unit is selected from each strata randomly. So, it is Stratified Sampling.

Further, In Stratified Sampling population is divided into several groups such that within the group it is homogeneous and between the group it is heterogeneous. And now a selection of each stratum and unit has an equal chance of selection.

3 0
3 years ago
It is predicted that by 2050 there will be 10^10 people living on earth. approximatrly will be 10^12 trees. how many trees for e
Nastasia [14]

Interesting question. Does that mean near the end of humanity?

Solution 1:

10^10 = 1,000,000,000

10^12 = 100,000,000,000

100,000,000,000/1,000,000,000 = 100 trees per person

Solution 2:

10^12 / 10^10  ---  10^10 / 10^10

10^2/1 = 10^2 = 100 trees per person

8 0
3 years ago
13 Levi bought a new phone for $550. He received a discount of 24%
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After discount: $418; total (including tax): $388.74
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