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natima [27]
3 years ago
6

What is the value of 3 to the power 2 over 3 to the power 4? A. 1 over 81 B. 1 over 27 C. 1 over 9 D. 1 over 3

Mathematics
2 answers:
olasank [31]3 years ago
7 0

Answer:

Option C is correct.

Step-by-step explanation:

Given Expression:

\frac{3^2}{3^4}

We need to find Value of given expression.

Consider,

\frac{3^2}{3^4}

\implies3^{2-4}

\implies3^{-2}

\implies\frac{1}{9}

Therefore, Option C is correct.

rodikova [14]3 years ago
6 0
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do 3^{(2-4)} since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get 3^{-2}, which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.
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12) -7(-8 + y - 10 – x); use x = -3, and y = 10<br> A) 35<br> B) 40<br> C) 34<br> D) 25
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Read 2 more answers
Zack wants to make a profit of more than $300 for painting 4 identical rooms. The profit he
juin [17]

Answer: n-4(32.5) > 300;n > 430tep-by-step explanation:

Zack wants to make a profit of more than $300 for painting 4 identical rooms. That is

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the profit he makes is equal to the amount he is paid - the cost of supplies. The cost of supplies is $32.50 for each room. That is

n - 32.5 and

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Where 4 = number of rooms

P + 130

n-4(32.5) > 300;n > 430tep-by-step explanation:

given that Zack wants to make a profit of more than $300 for painting 4 identical rooms. That is

Profit > $300

Then, the profit he makes is equal to the amount he is paid minus the cost of supplies. The cost of supplies is $32.50 for each room. That is

n - 32.5 and

P + 32.5 × 4

Where 4 = number of rooms

P + 130

The minimum profit = 300 + 130 = $430

n-4(32.5) > 300;n > 430 430

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3 years ago
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