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jek_recluse [69]
3 years ago
9

Determine the correct scientific notation form of the number. 627,000,000

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:

6.27 x 10 ^ 8

Step-by-step explanation:

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When the sun is at a certain angle in the sky, a 50 foot building will cast a 20 foot shadow. What is the length of the shadow i
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Prepara a bar graph. (Mention the scale)

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Please help me if you can
mezya [45]

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In what follows use any of the following tests: Regression, multiple regression, one-sided t-test, or two-sided t-test. All conc
Yakvenalex [24]

Answer:

  1. Two sided  t-test ( d )
  2.  0.245782  ( c )
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Step-by-step explanation:

1)  Test performed is a Two sided test and this because we are trying to determine the mean difference between two groups irrespective of their direction

<u>2) Determine the P-value ( we will use a data-data analysis approach on excel data sheet while assuming Unequal variances )</u>

                               yes             No

Mean                   94.47059   89.76471

Variance              173.2647     95.19118

Observations            17            17

df                               30

t Stat                       1.184211  

P(T<=t) one-tail 0.122814  

t Critical one-tail 1.697261

P(T<=t) two-tail        0.245782

Hence The p-value =  0.245782

3) Since P-value is too large we cannot conclude that the students’ weight are different for these two schools.

4)   The test is inconclusive; thus we cannot claim that the average weights are different.

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3 years ago
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Step-by-step explanation:

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Oque oque uma mulher tem r$ 30 <br> para dividir entre suas duas filhas que horas são
Alika [10]

Answer:

Ou seja, nesse caso, 15 reais para cada uma, escrevendo de uma maneira mais simples:

" 15 para as duas"

E assim obtemos a resposta, a letra b) 1:45, pois são 15 para as duas.

Step-by-step explanation:

8 0
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