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3 years ago

Simply this plz ո • ո3

Mathematics

2 answers:

ivolga24 [154]3 years ago

5 0

Answer:

n^4

Step-by-step explanation:

n^3 just means nxnxn and now, you are going to multiply that by another n. So it will become nxnxnxn which is essentially just n^4. Also, you should keep in mind that when you multiply a number by another number that has exponents in it but has the same base, you can just add their exponents. For example, n is actually just n^1 and when you multiply it by n^3 you can just add the one and the three to get 4. Which will give you n^4. Another example is if you have 6^5 multiplied by 6^3, you can just add the exponents and put that on the base to get 6^8. This works because 6^5 is just (6x6x6x6x6) and 6^3 is just (6x6x6) and when you multiply all of them you get 6^8 (6x6x6x6x6x6x6x6) I hope the last part made sense. If it didn't, you can just use the nxnxnxn logic instead. The last part was a little hard from me to explain.

anzhelika [568]3 years ago

4 0

Answer:

Answer is n^4

Step-by-step explanation:

You add the exponent when they are multiplying and have the same base

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4 years ago

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Step-by-step explanation:

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3 years ago

Anyone help me with this please I can’t seem to get my head around it xx

vova2212 [387]

Answer:

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3 years ago

Which one is bigger 75/100 or 2/3

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3 years ago

You survey 284 students about whether they use a laptop or tablet. One hundred

Murljashka [212]

In a two-way frequency table, the marginal frequencies is the 'total' entry for the row and the 'total' entry for the column

The result of the data organized in a two way table with the marginal frequency included is as follows;

$\begin{array}{|l|c|c|c|}\mathbf{\underline{Device \ Student \ Use}}&\mathbf{\underline{Laptop}}&\mathbf{\underline{Do\ not \ use \ laptop}}&\mathbf{\underline{Total}}\\&&&\\\mathbf{Tablet}&49 &75&\underline{124}\\&&&\\\mathbf{Do\ not \ use \ tablet}&63&97&\underline{160}\\&&&\\\mathbf{Total}&\underline{112}&\underline{172}&284\\&&&\end{array}$

The reason the above table is correct is as follows:

The known parameters are;

Number of students in the survey, U = 284 students

The number of students that use a laptop, n(L) = 112

The number of students that also use a tablet, T ∩ L = 49

The number of students that do not use a laptop or a tablet, $n(T \cup L)^c$ = 97

Required:

To organize the result of the survey in a two-way table

Solution:

U = $n(T \cup L)^c$ + n(T ∪ L)

Therefore;

n(T ∪ L) = U - $n(T \cup L)^c$

n(T ∪ L) = 284 - 97 = 187

n(T ∪ L) = 187

The number of students that use only a laptop = n(L) - n(T ∩ L) = 112 - 49 = 63

The number of students that use only a laptop [n(L) - n(T ∩ L)] = 63

n(T ∪ L) = n(T) + n(L) - n(T ∩ L)

n(T) = n(T ∪ L) - [n(L) - n(T ∩ L)]

n(T) = 187 - 63 = 124

The number of students that use only tablets = n(T) - n(T ∩ L) = 124 - 49 = 75

The number of students that use only tablets, [n(T) - n(T ∩ L)] = 75

The results are organized in the attached two way table and the marginal frequencies are the numbers underlined in the totals column

Learn more about marginal frequencies here:

brainly.com/question/16401512

7 0

3 years ago