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Bad White [126]
2 years ago
15

Write 0.002349 in scientific notation.

Mathematics
1 answer:
Studentka2010 [4]2 years ago
3 0

Hi! I'm happy to help!

To solve this, we first need to know what scientific notation is. Scientific notation is a way a number is written. You write it using a number ranging from 1 to <10. Then, you multiply this number by 10^{x}.

In order to make this number reasonable for scientific notation, you have to move the decimal a certain amount of places. In this case you move it 3 places to the right to make your number 2.349. Since we moved it 3 places to the right our x will be -3. (If we'd moved it 3 places to the left, our x would be positive 3.)

So now, we insert our numbers:

<u>2.349·</u>10^{-3}<u></u>

<u>You write 0.002349 like 2.349·</u>10^{-3}<u>, when it is in scientific notation.</u>

I hope this was helpful, keep learning! :D

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Step-by-step explanation:

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Let's use 'x' for width

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There are 4 sides to a rectangle so you are adding 4 values

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so  we can then combine  the two lengths to make 2x+8

and then combine the two widths to make 2x

Then put it together.       2x+2x+8= 4x+8

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3 years ago
At a store, Susan selected a pumpkin that weighed 35.2 ounces. • Pumpkins cost $1.80 per pound. • There are 16 ounces in 1 pound
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IMAX Movie Prices. There were 322 people at a recent showing of the IMAX 3D movie "300". Admission was $8.75 each for adults and
dsp73

Answer:

218 adults and 104 children attended.

Step-by-step explanation:

From the information given, you can write the following equations:

x+y=322 (1)

8.75x+6y=2531.50 (2), where:

x is the number of adults

y is the number of children

First, you can solve for x in (1):

x=322-y (3)

Then, you can replace (3) in (2) and solve for y:

8.75(322-y)+6y=2531.50

2817.5-8.75y+6y=2531.50

2817.5-2531.50=8.75y-6y

286=2.75y

y=286/2.75

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Finally, you can replace the value of y in (3) to find x:

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According to this, the answer is that 218 adults and 104 children attended.

8 0
2 years ago
Recorremos un camino de 1km a una velocidad de 6 km/h. ¿Cuanto tardamos en llegar al destino?​
Ksenya-84 [330]

Answer:

10 minutos

Step-by-step explanation:

La operación a efectuar es:

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expresándolo en minutos es:

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1/6 hora = 60*1/6 = 10 minutos

Tardaremos:

10 minutos

en llegar al destino

5 0
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