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2 years ago

Write 90,600,000 in scientific notation.

Mathematics

1 answer:

MrRissso [65]2 years ago

5 0

Answer:

Step-by-step explanation:

Just move the decimal places to the right and you'll find the answer very easily. The answer is 9.06x10^7.

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Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test. Data: Use the inf

Papessa [141]

The table is missing in the question. The table is provided here :

Group 1 Group 2

34.86 64.14 mean

21.99 20.46 standard deviation

7 7 n

Solution :

a). The IV or independent variable = Group 1

The DV or the dependent variable = Group 2

b).

$H_0: \mu_1 = \mu_2$

$H_a:\mu_1 < \mu_2$

Therefore, $t = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{s_1^2}{n_1}+\frac{S_2^2}{n_2}}}$

$t = \frac{34.86 - 64.14}{\sqrt{\frac{21.99^2}{7}+\frac{20.46^2}{7}}}$

t = -2.579143

Now, $df = min(n_1 - 1, n_2 - 1)$

df = 7 - 1

= 6

Therefore the value of p :

$=T.DIST(-2.579143,6,TRUE)$

= 0.020908803

The p value is 0.0209

$p< 0.05$

So we reject the null hypothesis and conclude that $\mu_1 < \mu_2$

7 0

2 years ago

Solve for x<br> Show work

SashulF [63]

Answer:

x = 7

Step-by-step explanation:

123 = 17x + 4

123 - 4 = 17x

119 = 17x

119 / 17 = x

7 = x

3 0

2 years ago

What is the slope of this line?

MrMuchimi

We can use the coordinates (-4, 5) and (0, 6) to find the slope.

Slope Formula: $\frac{y2-y1}{x2-x1}$

Solve: $\frac{6 - 5}{0 - (-4)} = \frac{1}{4}$

The slope of the line is \Large\boxed{\mathsf{1/4}}

Written in slope-intercept form: y = 1/4x + 6

Hope This Helped! Good Luck!

3 0

3 years ago

Read 2 more answers

Can someone quickly help me solve this ?!

Rainbow [258]

Answer: 8

Step-by-step explanation: if you count the angels and the sides then you'll get the answer 8..

7 0

2 years ago

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3. Find all the zeroes of the equation,

Nady [450]

Answer:

djdjdjeueueuududhfh ch by by CV

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2 years ago