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vitfil [10]
4 years ago
4

Which shows the following expression after the negative exponents have been eliminated?

Mathematics
2 answers:
Sholpan [36]4 years ago
6 0
The answer is D: a^3b^4/ab^2
Dmitrij [34]4 years ago
3 0
The correct option is: (D) \frac{a^3b^4}{ab^2}

Explanation:

The given expression is:
\frac{a^3b^{-2}}{ab^{-4}} \\  \frac{a^3 \frac{1}{b^{2}}}{a \frac{1}{b^{4}}} \\  \frac{a^3b^4}{ab^2}

Which is Option (D).
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How many ways can a jury of four men and three women be selected from twelve men and ten women
Irina-Kira [14]
There are 59,400 ways this jury can be selected.

Since the events are independent of each other (choosing one does not influence the chance of choosing the others) we multiply the combinations. 

The first combination is _1_2C_4, because we are selecting 4 men from a possible 12.

The second combination is _1_0C_3, because we are selecting 3 women from a possible 10.

Multiplying these we have:  _1_2C_4 \times _1_0C_3
\\
\\=\frac{12!}{4!8!} \times \frac{10!}{3!7!}
\\
\\=\frac{479001600}{967680} \times \frac{3628800}{30240}
\\
\\=495 \times 120
\\ = 59400
8 0
4 years ago
describe in detail how you would create a number line with the following points: 3 , 2.25, -4, and -(1 1/2). Please be sure to d
EleoNora [17]
Put -4 at the end , then -1 1/2 ,then 2.25, then and the right side (end ) 3
6 0
3 years ago
The area of a square is 128x3y4 cm2. What is the length of one side of the square in simplest form
AlekseyPX

Answer:

We know that the area of the square of side length L is:

A = L*L = L^2

In this case, we know that the area is:

A = 128*x^3*y^4 cm^2

Then we have:

L^2 = 128*x^3*y^4 cm^2

If we apply the square root to both sides we get:

√(L^2) = √( 128*x^3*y^4 cm^2)

L = √(128)*(√x^3)*(√y^4) cm

Here we can replace:

(√x^3) = x^(3/2)

(√y^4)  = y^(4/2) = y^2

Replacing these two, we get:

L = √(128)*x^(3/2)*y^2 cm

This is the simplest form of L.

7 0
3 years ago
This is 10 points plz help ( NO LINKS ) ( ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS)
Salsk061 [2.6K]

Answer:

J

Step-by-step explanation:

You can see that one of the rings was originally $24 and on sale it is $18 which is 3/4 or 0.75 of 24. Then if you check that relationship with the other ones where you take the orginal price and find 3/4 or 0.75 of it you get all of the sale prices.

6 0
3 years ago
Read 2 more answers
Express the product of 2x^2+6x-8 and x+3 in standard form
Arisa [49]

Answer:

2 x^ 2 + 7 x − 5

Step-by-step explanation:

2x^(2)+6x-8+x+3 and then write in standard form and came up with 2 x^ 2 + 7 x − 5.

4 0
3 years ago
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