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3 years ago

What is 6 to the negitive 3rd power?

1 answer:

5 0

Get rid of negative exponents by remembering that x^-a= 1/x^a.

6^-3= 1/6^3

Evaluate the exponent
6^3= 216

Final answer: 1/216

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Could someone help me with this question please?

Katena32 [7]

Answer:

a) a to the power of 2

b) c

Step-by-step explanation:

5 0

3 years ago

Of all college degrees awarded in the United States, 50% are bachelor's degrees, 59% are earned by women, and 29% are bachelor's

Natasha2012 [34]

Answer:

P(W|B) = 0.58

Step-by-step explanation:

The conditional probability formula tells you ...

P(W | B) = P(W&B) / P(B)

= 0.29/.050

= 0.58

7 0

4 years ago

The postal service sorts mail as Priority Mail Express, Priority Mail, First-Class Mail, or Standard Mail. Over a period of 3 we

Dafna11 [192]

Answer:

Here, F = 2.911

F > 2.739502 , so reject null hypothesis ( H0)

There is ample evidence to indicate a disparity in the means for the different forms of mails.

Step-by-step explanation:

Null hypothesis - H₀: μ₁ = μ₂ = μ₃ = μ₄

Alternative hypothesis - H₁: At least one mean is different.

df1 is factor degree of freedom and df2 is error degree of freedom.

Decision rule - Reject H₀ if F > F₀.₀₅, (df1, df2)

F0.05, df1,df2 is f critical value at \alpha = 0.05

Here df1 = 3 , and df2 = 68

Using Excel,

F₀.₀₅, ₃, ₆₈ = FINV( 0.05, 3 , 68 ) = 2.739502302

So reject H0 if F > 2.739502

Here, F = 2.911

F > 2.739502 , so reject null hypothesis ( H0)

There is ample evidence to indicate a disparity in the means for the different forms of mails.

7 0

3 years ago

The sign of the product of 2 integers with the same sign is positive. what is the sign of the product of 3 integers with the sam

klemol [59]

Product of 3 negatives equals a negative answer
Product of 3 positives equals a positive answer

6 0

4 years ago

A retail shop is replacing their flooring with laminate wood. The floor plan is shown below. Determine the total square feet of

Phantasy [73]

<h3>Answer: 1075 square feet</h3>

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Explanation:

As shown in the diagram below, I've drawn a blue horizontal line to split the figure into two rectangles (smaller one up top, larger down below).

The smaller rectangle up top is 25 ft by 8 ft, giving an area of 25*8 = 200 sq ft.

The larger rectangle down below is 35 ft by 25 ft so we have an area of 35*25 = 875 sq ft.

The total area is 200+875 = 1075 square feet

Notes:

We can write "square feet" as "sq ft" or as "ft^2" without quotes.
The portion "5 ft", in the upper left corner, is never used.

5 0

3 years ago