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defon
3 years ago
12

Simplify the expression so there is only one positive power for each base. (5^-2 x 4^-4)^-2

Mathematics
2 answers:
aksik [14]3 years ago
8 0
I believe you can cancel the ^-2 and ^-4

giving you 5 x 4^2

Which is 5 * 16

Total of 80
Oliga [24]3 years ago
6 0
40960000 is the answer to the equation
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Simplify,,,,,,,,,,,,,,,,,,,
tatuchka [14]
It is D , if you plus into a calculator it simplifies for you !!
5 0
3 years ago
The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of
d1i1m1o1n [39]

The z-score of the sale of mobile phones on that day is 1.75

Step-by-step explanation:

The formula of z-score is z = (x - μ)/σ, where:

  • x is the score
  • μ is the mean
  • σ is the standard deviation

∵ The mean sale was 45

∴ μ = 45

∵ The standard deviation was 4

∴ σ = 4

∵ 52 mobile phones were sold on a particular day

∴ x = 52

To find z-score of the sale of mobile phones on that day substitute the values of x, μ, and σ in the formula of z-score

∵ z=\frac{52-45}{4}

∴ z=\frac{7}{4}

∴ z = 1.75

The z-score of the sale of mobile phones on that day is 1.75

Learn more:

You can learn more about z-score in brainly.com/question/7207785

#LearnwithBrainly

3 0
3 years ago
The motives for developing calculus in the 1700s were: A. problems in physics. B. problems in biology. C. problems in psychology
IRINA_888 [86]

Answer:

the answer is A

Step-by-step explanation:

5 0
2 years ago
Factorise 9a^2 - 6ab + 12ac - 8bc
Lady_Fox [76]
9a^2-6ab+12ac-8bc
=3a(3a-2b)+4c(3a-2b)
=(3a+4c)(3a-2b)
There you go. Have fun!
6 0
3 years ago
Harry manages a sales force which sells several products in different sales territories. A random sample of 25 territories were
daser333 [38]

Answer:

13,000 i think

Step-by-step explanation:

7 0
2 years ago
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