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Kay [80]
3 years ago
7

What is the result of 54,000 X 1,200 written in scientific notations

Mathematics
1 answer:
Anna [14]3 years ago
4 0

Answer:

54000 \times 1200 = 64800000 = 6.48 \times 10^{7}

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What is the value of 4 to the power of 3 divided by 2 to the power of 3
sp2606 [1]

Answer:

8

Step-by-step explanation:

4^3/2^3

(4^3)/(2^3)

  1. 4^3 = 64
  2. 2^3 = 8

64/8 = 8

7 0
3 years ago
Read 2 more answers
It is believed that a stock price for a particular company will grow at a rate of $5 per week with a standard deviation of $1. A
IgorLugansk [536]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

µ = $5

For the alternative hypothesis,

µ < $5

number of samples taken = 10

Sample mean, x = (4 + 3 + 2 + 3 + 1 + 7 + 2 + 1 + 1 + 2)/10 = 2.6

To determine sample standard deviation, s

s = √(summation(x - mean)/n

n = 12

Summation(x - mean) = (4 - 2.6)^2 + (3 - 2.6)^2 + (2 - 2.6)^2 + (3 - 2.6)^2 + (1 - 2.6)^2 + (7 - 2.6)^2 + (2 - 2.6)^2 + (1 - 2.6)^2 + (1 - 2.6)^2 + (2 - 2.6)^2 = 30.4

s = √30.4/10 = 1.74

Since the number of samples is 10 and no population standard deviation is given, the distribution is a student's t.

Since n = 10,

Degrees of freedom, df = n - 1 = 10 - 1 = 9

t = (x - µ)/(s/√n)

Where

x = sample mean = 2.6

µ = population mean = 5

s = samples standard deviation = 1.74

t = (2.6 - 5)/(1.74/√10) = - 4.36

We would determine the p value at alpha = 0.05. using the t test calculator. It becomes

p = 0.000912

7 0
3 years ago
The graph of a system of equations with different slopes will have no solutions. (1 point) Always Sometimes Never
spin [16.1K]

Answer: Never

just did the test



7 0
3 years ago
Read 2 more answers
Shauna got 18 hits in 24 times at bat. Which sentence is true? A. Shauna hit the ball less than 70% of the time. B. Shauna hit t
Paraphin [41]
Given:
18 hits
24 times at bat.

18/24 = 0.75 

D.) Shauna's batting average was less than 0.78

Her exact batting average based on the given figures was 0.75.
7 0
3 years ago
Need help please! thanks!
Verdich [7]
    x + y = 4(1 + y) + y = 4        1 + 2y = 4  1 - 1 + 2y = 4               2y = 4                 y = 2

-x = -1 + y-x = -1 +2
-x = 1
.... that's as far I can go... sorry


6 0
3 years ago
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