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Flura [38]
2 years ago
8

How do you write 3.9 × 103 in standard form?

Mathematics
2 answers:
Luden [163]2 years ago
7 0
3.9 x 103 is 401.7
answer,
4.017 x 10^2
Ierofanga [76]2 years ago
4 0

Answer:

3.9 x (1.03×10^2) or 4.017 x 10^2

Step-by-step explanation:

3.9 x 103 can be written in standard form to:

3.9 x (1.03×10^2).

If you also wanted to solve the equation, the answer would be:

4.017 x 10^2

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ADHE - ADGF below. Find the value of 'x'.<br> X<br> H н<br> E<br> 8<br> 2.<br> 12
Vlad1618 [11]

Given:

\Delta DHE\sim \Delta DGF

To find:

The value of x.

Solution:

We know that, corresponding sides of similar triangles are proportional.

Since,\Delta DHE\sim \Delta DGF, therefore

\dfrac{HE}{GF}=\dfrac{DE}{DF}

On substituting the values from the figure, we get

\dfrac{8}{12}=\dfrac{x}{x+2}

\dfrac{2}{3}=\dfrac{x}{x+2}

On cross multiplication, we get

2(x+2)=3x

2x+4=3x

4=3x-2x

4=x

Therefore, the value of x is 4.

8 0
2 years ago
30 points plz help I need help with question 16 plz plz plz help I need answer in 5 minutes.
kkurt [141]

Answer:

A. The area of the park is 251015.62 m squared.

B. The sod would cost $313769.52

C. The perimeter of the border is 1927.5 m

D. The cost fo the paving stone is going to be $5300.625

E. The total cost for the sod and pacing stone combined is $31139070.14

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5 0
2 years ago
How many more festivals had 18 to 23 countries represented than 0 to 5 countries represented?
kari74 [83]

Answer:

3

Step-by-step explanation:

Here, by reading the histogram, we will provide answer for the question asked.

We want to know how many more festivals had 18 to 23 countries represented than 0 to 5 countries.

Checking the histogram, we can see the 0-5 countries having a value of 1, while the 18-23 has a value of 4.

So, the number of more countries will be simply 4-1 = 3

6 0
2 years ago
The width of a rectangular rug is 7 feet and the length of its diagonal is 25 feet. What is the area?
Vika [28.1K]
A=168 ft² 
 that's the answer hope it helped!<span>
</span>
5 0
2 years ago
If the outlier is excluded, what happens to the mode
slega [8]

Answer:

Outliers affect the mean value of the data but have little effect on the median or mode of a given set of data.

Is there any more details, I could give a better answer.

6 0
3 years ago
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