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Montano1993 [528]
3 years ago
13

Please help properties of exponents

Mathematics
1 answer:
defon3 years ago
3 0

Answer:

Step-by-step explanation:

3. c^{11} add exponents

4.m^{60} multiply exponents

5.x^{6} y^{18} distribute and multiply exponents

6. -21 a^{47} *b multiply and then add exponents

7.100 a^{14} b^{4} c^{12} distribute and multiply exponents

8.n^{22} multiply and then add exponents

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6000 pounds

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How many 4 digit EVEN numbers can be made using the numbers 0, 1, 2, 3 (repetition allowed)
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the answer is over 20

Step-by-step explanation:

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2 years ago
An experiment consists of rolling a number cube (dice). What is the probability of rolling a number GREATER THAN 4? Express your
MrMuchimi

Answer:

1/3

Step-by-step explanation:

Probability is the likelihood or chance that an event will occur

Probability = Expected/Total outcome

Since the experiment requires rolling a dice

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8 0
2 years ago
The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher
ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340

Thus, the correct answer is

Option D) 340

7 0
3 years ago
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