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nalin [4]
3 years ago
13

Write 16^8 as a power with a base of 4

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0

With a base of 4 your answer will be 4^16

ruslelena [56]3 years ago
4 0

(4^2)^8 would be the answer 4^2=16 and 16^8 is the same thing

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Hi,


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Answer: -4 and -1


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r3t40
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Line segment TS is tangent to circle O at point N.
Natalka [10]

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3 years ago
A chemist examines 12 sedimentary samples for bromide concentraction. The mean bromide concentration for the sample date is 0.43
Umnica [9.8K]

Answer:

a) z = 1.645

b) Lower endpoint: 0.422cc/m³

Upper endpoint: 0.452 cc/m³

Step-by-step explanation:

Population is approximately normal, so we can find the normal confidence interval.

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645. This is the critical value, the answer for a).

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.645*\frac{0.0325}{\sqrt{12}} = 0.015

The lower end of the interval is the sample mean subtracted by M. So it is 0.437 - 0.015 = 0.422cc/m³.

The upper end of the interval is the sample mean added to M. So it is 0.437 + 0.015 = 0.452 cc/m³.

b)

Lower endpoint: 0.422cc/m³

Upper endpoint: 0.452 cc/m³

4 0
3 years ago
This . 9th and 10 pleasee solve thesee ?
kykrilka [37]
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i cant solve number 10 its really blurry and hard to see
5 0
3 years ago
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