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lions [1.4K]
3 years ago
13

What are these in scientific notations?

Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

Answer:

1. 2.1426 × 10^{0}

2. 6.29 × 10^{0}

3. 9 × 10^{-1}

4. 5.238 × 10^{3}

5. 3.5668 × 10^{-1}

Hope it helps and have a great day! =D

~sunshine~

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Using the Classic Rock data in the Math 108 group on StatCrunch, create a histogram with the
liberstina [14]

The product of the frequency and PlayCount gives the number of songs

played from the information in the histogram.

Correct responses (rounded to the nearest whole integer)

1. 2%

2. 27 PlayCount per song

3. 68%

<h3>How does one analyze an histogram?</h3>

1. The given data from the histogram is presented in a tabular form as follows;

\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|}f&899&224&126&96&71&52&39&41&44&23&14&12&3&4&3\\x&10&20&30&40&50&60&70&80&90&100&110&120&130&140&150\end{array}\right]

The percentages of song that where played over 100 times is given as follows;

∑f = 899+224+126+96+71+52+39+41+44+23+14+12+3+4+3 = 1651

Number of songs played over 100 times = 14 + 12 + 3 + 4 + 3 = 36

  • Percentage \ of \ songs \ played \ over \ 100 \ times = \mathbf{\dfrac{36}{1,651} \times 100} \approx \underline{2 \%}

2. Mean of a frequency distribution is given as follows;

Mean = \mathbf{\dfrac{\sum f\times x}{\sum f}}

Where;

x = The PlayCount

From MS Excel, we have;

∑f·x = 44410

Which gives;

  • Mean = \dfrac{44410}{1651}   \approx \underline{27}

3. Number of songs played less than 20 times = 899 + 224 = 1,123

  • \mathbf{Percentage} \ of \ songs \ played \ less \ than \ 20 \ times = \dfrac{1,123}{1,651}  \times 100 \approx \underline{ 68 \%}

Learn more about percentages and histograms here:

brainly.com/question/10491646

brainly.com/question/1413492

6 0
2 years ago
The sum of two numbers is 51 and the difference between the two numbers is 31.
marusya05 [52]

51 = x + (x + 31)

Solve that in order to find the answer to your problem.

8 0
4 years ago
Layne says the probability of the high school team winning the football game is 75%.
Mrac [35]

The person who thinks the event is more likely is Layne. This is because she has a higher probability value than Abdul.

<h3>Who thinks the event is more likely?</h3>

Probability determines the chances that an event would happen. The probability the event occurs with certainty is 1 and the probability that the event would not occur with certainty is 0. The closer the event is to 1, the more likely the event would happen

Layne's probability that the event would happen = 75%

Abdul's probability that the event would happen = 3/5 x 100 = 60%

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

5 0
2 years ago
Which list of angle measures could be the angle measures of a triangle?
Dovator [93]
Hello there! So the answer would be D: 35 degrees, 60 degrees and 85 degrees. We know this because angles in a triangle sum to 180 degrees. By simply adding each angle up, we can confirm that 35 + 60 + 85 = 180. :)
8 0
3 years ago
• Work out the percentage change to 2 decimal places when £78.98 is increased to £100​
lions [1.4K]

Answer:

The total change is £21.02 from the original amount of £78.98. Therefore, the percentage change is directly related to the original amount.

Divide the total change by the original amount to determine the percentage change the new amount represents.

21.02÷78.98=0.15219 which rounds up to two decimal places as 15.22%.

6 0
3 years ago
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