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zavuch27 [327]
3 years ago
12

8 x 10^-3 standard form please you will get brainlest

Mathematics
2 answers:
arsen [322]3 years ago
6 0
Answer: 000.8
Solution: add a decimal point before the 8 and add three 0s in front
wel3 years ago
5 0

Answer:

Step-by-step explanation:

The answer is 77.

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BRAINLIEST + 15 PTS TO WHOEVER HELPS!
Bumek [7]

Answer:

B) Observing how probability works with real items

Step-by-step explanation:

Just took the quiz :)

7 0
3 years ago
Choose the missing digit of these equivalent fractions.
jok3333 [9.3K]

Answer:

where is the question

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6 0
3 years ago
Read 2 more answers
A culture started with 5000 bacteria after three hours it grew 6500 bacteria predict how many bacteria will be present after 13
charle [14.2K]

Answer:

15595 bacteria will be present after 13 hours.

Step-by-step explanation:

Continuous population growth:

The continuous population growth model, for the population after t hours, is given by:

P(t) = P(0)e^{rt}

In which P(0) is the initial population and r is the growth rate.

Started with 5000 bacteria

This means that P(0) = 5000

So

P(t) = 5000e^{rt}

After three hours it grew 6500 bacteria:

This means that P(3) = 6500. We use this to find r.

P(t) = 5000e^{rt}

6500 = 5000e^{3r}

e^{3r} = \frac{65}{50}

\ln{e^{3r}} = \ln{\frac{65}{50}}

3r = \ln{\frac{65}{50}}

r = \frac{\ln{\frac{65}{50}}}{3}

r = 0.0875

So

P(t) = 5000e^{0.0875t}

How many bacteria will be present after 13 hours?

This is P(13). So

P(13) = 5000e^{0.0875*13} = 15594.8

Rounding to the nearest whole number

15595 bacteria will be present after 13 hours.

7 0
3 years ago
The mean annual tuition and fees for a sample of 14 private colleges in California was $37,900 with a standard deviation of $7,2
JulijaS [17]

Answer:

Z_{0.005}>Z H₀ is wrong and other is correct. IT means $35000 is not mean value.

Step-by-step explanation:

Two hypothesis:

H₀=$35,000

Hₐ≠$35,000

Test Formula:

Z=\frac{(X-u)}{\frac{S}{\sqrt{n} } }

Where:

X is the mean value=$37,900

u is the value with 0.01 significance=$35000

S is the standard deviation

n is the sample size

Z=\frac{(37900-35000)}{\frac{7200}{\sqrt{14} } }

Z=1.507

Z with 0.01 significance:

0.01/2=0.005=0.05%

Degrees of freedom=14-1=13

From t distribution table at 0.05% and 13 dof:

Z_{0.005}=4.221

So

Z_{0.005}>Z H₀ is wrong and other is correct. IT means $35000 is not mean value.

7 0
4 years ago
What temperature is 10 degrees less<br> than6 degrees Celsius?
prisoha [69]
This question is basically asking what is 6°C - 10°C, which comes out to be -4°C
7 0
3 years ago
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