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3 years ago

Explain how to change a negative exponent to a positive one

Mathematics

2 answers:

VikaD [51]3 years ago

7 0

Answer:

Step-by-step explanation:

Negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.

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Anna11 [10]3 years ago

6 0

Answer:

Flip the fraction that you are applying the exponent to, if it's a whole number, just imagine it's over one and flip it that way.

Explanation:

If you have 3/5 ^-3

You would flip the fraction to 5/3, then the exponent turns to positive 3

So 5/3 ^3

For a whole number, for example, 6, ^-2

In other words, it's 6/1 ^2, so you would make it 1/6, then the exponent turns positive.

So 1/6 ^2

Hope this helped :)

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A farmer builds a fence to enclose a rectangular pasture.He uses 155 feet of fence. Find the total area of the pasture if it is

ICE Princess25 [194]

The area for the perimeter of a rectangle is:
P = 2l + 2w
In this problem, we are given that P = 155 and l = 45.5. To solve for area, we must find w. To do this, plug in the given info and isolate the w like so:
$155=2(45.5)+2w \\ 155=91+2w \\ (155)-91=(91+2w)-91 \\ 64=2w \\ \frac{64}{2} = \frac{2w}{2} \\ w=32$
Now we know w = 32. Knowing all the necessary info, we can use the area formula, A=lw, to solve for A.
$A=(45.5)(35) \\ A=1,456$

The area is 1,456 sq ft.

Hope this helps!

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3 years ago

The table shows four transactions and the resulting account balance in a bank account, except some numbers are missing. Fill in

rusak2 [61]

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2 years ago

Suppose that the demand Q^Dand supply Q^Sfor maize meal in Kimberley is given by p=120-0.7Q^Dand p=3+0.2Q^S where the quantity i

bixtya [17]

Answer:

20 rands/kg

130,000 kg

Step-by-step explanation:

The equilibrium quantity and price are the solution to the system of equations ...

p = 120 -0.7q

p = 3 + 0.2q

Setting these equal, we get ...

0.2q +3 = p = -0.7q +120

0.9q = 117 . . . . . . . add 0.7q-3 to both sides

q = 117/0.9 = 130

p = 3 +0.2·130 = 29

The equilibrium price of maize meal is 29 rands per kg; the market equilibrium quantity is 130,000 kg.

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3 years ago

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ladessa [460]

Answer:

(ii) (iii)

Step-by-step explanation:

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dlinn [17]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers