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vfiekz [6]
3 years ago
12

Evaluate a2b2c2 for a = 2, b = 3, and c = 4.

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0
2(2)2(3)2(4)=192 because you're multiplying everything together in order to find your answer and also because the variables which are the letters represent the numbers that need to be multiplied idk if that made sense but that's the answer lol
Leviafan [203]3 years ago
5 0

Answer:  The required value is 576.

Step-by-step explanation:  We are given to evaluate the following expression for a = 2, b = 3 and c = 4 :

E=a^2b^2c^2.

To do the evaluation, we need to substitute the values of a, b and c in the given expression.

Therefore, the value of the given expression can be calculated as follows :

E\\\\=a^2b^2c^2\\\\=2^2\times 3^2\times4^2\\\\=4\times9\times16\\\\=576.

Thus, the required value is 576.

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A contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighb
Sedbober [7]

Option c is the correct answer which represents the numerator in the calculation of variance and standard deviation.

<h3>What are the variance and standard deviation?  </h3>

In statistics, variance is a measure of the variation of data from the mean, whereas standard deviation is the measure of the normal distribution of statistical data.

A contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighborhood.

2,400; 1,750; 1,900; 2,500; 2,250; 2,100

we need to find which of the following represents the numerator in the calculation of variance and standard deviation.

(225)^{2} + (–425)^{2}+ (–275)^{2} + (325)^{2} + (75)^{2}+ (–75)^{2} = 423,750

(650)^{2} + (–150)^{2} + (–600)^{2} + (250)^{2} + (150)^{2} + (–300)^{2} = 980,000

(250)^{2} + (–400)^{2} + (–250)^{2} + (350)^{2} + (100)^{2} + (–50)^{2} = 420,000  

92416.60

The variance is 84000

The standard deviation is 290

mean = (2400+1750+1900+2500+2250+2100)/6

mean = 2150

Subtract the data values from the mean to get

2400-2150 = 250

1750-2150 = -400

1900-2150 = -250

2500-2150 = 350

2250-2150 = 100

2100-2150 = -50

The differences are 250, -400, -250, 350, 100, -50

Then you square those values and add up the squares

(250)^2 +  (-400)^2 +  (-250)^2 +  (350)^2 +  (100)^2 +  (-50)^2 = 420,000

Hence, option c is the correct answer which represents the numerator in the calculation of variance and standard deviation.

Learn more about variance;

brainly.com/question/14116780

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\\ \frac} }{38/3} x^{4} +6 x^{3} + 1=0

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