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lana [24]
3 years ago
10

Express this number in scientific notation. 3,868,000,000

Mathematics
2 answers:
Monica [59]3 years ago
7 0

Hi friend


3868000000 in scientific notation is : 3.868* 10^9


I hope that's help:) Please rate

If you have any further questions please let me know.Thx

Anton [14]3 years ago
3 0
Okay. Move the decimal to the left tell it is behind the first number then count the spaces you have moved. You moved 9 spaces so the power is 9. 3.868×10^9 (3.868×10 to the power of 9.
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In parallelogram RSTU, what is SU?
serious [3.7K]
Because S and U are the opposite vertices of the <span>parallelogram RSTU,
so SU is a diagonal of this </span>parallelogram.
5 0
3 years ago
find the component equation of the plane which is normal to the vector -2i+5j+k and which contains the point (-10;7;5).​
maksim [4K]

Given:

A plane is normal to the vector = -2i+5j+k

It contains the point (-10,7,5).​

To find:

The component equation of the plane.

Solution:

The equation of plane is

a(x-x_0)+b(y-y_0)+c(z-z_0)=0

Where, (x_0,y_0,z_0) is the point on the plane and \left< a,b,c\right> is normal vector.

Normal vector is -2i+5j+k and plane passes through (-10,7,5). So, the equation of the plane is

-2(x-(-10))+5(y-7)+1(z-5)=0

-2(x+10)+5y-35+z-5=0

-2x-20+5y-35+z-5=0

-2x+5y+z-60=0

-2x+5y+z=60

Therefore, the equation of the plane is -2x+5y+z=60.

4 0
3 years ago
I GIVEEEEE BRAIMLILSTER
timofeeve [1]

<u>Answer:</u>

\boxed{\boxed{\pink{\bf \leadsto It \ will \ take \ 5 hours \ to \ travel \ 300 \ miles. }}}

<h3><u>Step-by-step explanation:</u></h3>

According to Question , a plane travels 120 miles in 2 hours. So here we will use unitary method .

\bf\implies If \ it \ covers \ 120 \ miles \ in \ 2 \ hours \\\\\bf\implies Then \ one \ mile \ will \ be \ covered \ in \ \dfrac{120}{2} hrs \\\\\bf\implies Hence \ 300 \ miles \ will \ be \ covered \ in \ \dfrac{2}{120}\times 300 hrs = \red{5 \ hours }

<h3><u>Hence</u><u> </u><u>it </u><u>will</u><u> </u><u>cover</u><u> </u><u>30</u><u>0</u><u> </u><u>miles</u><u> </u><u>in</u><u> </u><u>5</u><u> </u><u>hours</u><u> </u><u>.</u></h3>

Here it was a case of direct proportion in which if two things are directly proportional to each other. If one thing thing increases then the value of second also increases. Here if the time increases then the distance also increases

5 0
3 years ago
A take-and-bake pizza chain has several
tankabanditka [31]
Answer: 35% off coupon

Explanation:
17.90-5= 12.90

x/17.90=35/100
Cross multiply: 17.90(35)=100x
Simplify: 626.50=100x
Divide by 100: 6.265
Round: 6.27
Subtract: 17.90-6.27=11.63
8 0
3 years ago
Use mental math to find the amount of a 12% shipping fee for an item that costs $250. Explain your steps.
makvit [3.9K]
The shipping fee is $30
1. 12%×250
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= 2.5 ×12
= 5/2×12
=60/2
=30
8 0
3 years ago
Read 2 more answers
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