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2 years ago

Simplify the expression, write in standard and exponential form.

Mathematics

2 answers:

Wewaii [24]2 years ago

7 0

Expression simplified: 78125 x^7 y^14.

Standard form: 78125 x^7 y^14.

timama [110]2 years ago

5 0

Answer:

$(5x {y}^{2} ) ^{7} = {5x}^{7 } \times {x}^{7} \times {y}^{14} = {5x}^{14} {y}^{14}$

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A customer wants to enlarge a photo to 2.75 it’s current height the photo current height is 3.25 inches what should its enlarged

raketka [301]

Answer:

8.9375

Step-by-step explanation:

2.75×3.25=8.9375

According to the question it said increase to and that is why I only multiplied but if the question said increase by then I would have to add my product (8.9375) to the original height of the photo.

4 0

3 years ago

Rylee is learning about prime numbers in math class. Her friend ask her to name all prime number between 10 and 20. What numbers

Juli2301 [7.4K]

Answer:

11, 13, 17, 19

Step-by-step explanation:

If you look at the prime numbers chart between 10 and 20, there are:

11, 13, 17, 19

Those are all of the prime numbers that are between 10 and 20.

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2 years ago

Last year, the mean running time for a certain type of light bulb was 8.5 hours. This year, the manufacturer has introduced a ch

Free_Kalibri [48]

Answer:

H0 : μ = 8.5

H1 : μ > 8.5

1 sample t test ;

Test statistic = 2.53

Pvalue = 0.994

No, we fail to reject the Null ;

There is no significant evidence to support the Claim that the mean running time of light bulb is greater Tha last year.

Step-by-step explanation:

H0 : μ = 8.5

H1 : μ > 8.5

Test statistic :

(xbar - μ) ÷ (s/sqrt(n))

(8.7 - 8.5) ÷ (0.5 / sqrt40)

Test statistic = 2.53

The Pvalue :

P(Z < 2.53) = 0.9943

Pvalue = 0.994

Decison region :

Reject H0 ; if Pvalue < α

0.9943 > 0.05 ; We fail to reject the Null

5 0

2 years ago

laurie will draw a scale model of the garden she wants to plant. Her scale will be 1cm = 2.5 ft. what will be the actual dimensi

g100num [7]

Answer:

Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

What’s the answer to the question mark

melamori03 [73]

The missing number is 20

<h3>How to determine the number</h3>

We can see that the values at the top must be made equal to that at the bottom

For the top, we have

30 + 11 = 41

For the bottom, we should have:

21 + x = 41

Now, let's solve for 'x' to determine the missing figure;

21 + x = 41

collect like terms

x = 41 - 21

x = 20

Thus, the missing number is 20

Learn more parallel lines here:

brainly.com/question/13999767

#SPJ1

6 0

1 year ago