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2 years ago

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:

2.349· $10^{-3}$

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

I hope this was helpful, keep learning! :D

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Answer:

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Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the square ABED find the length side of the square

we know that

AB=BE=ED=AD

The area of s square is

$A=b^{2}$

where b is the length side of the square

we have

$A=49\ units^2$

substitute

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step 2

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The area of rectangle ACIG is equal to

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substitute the given values

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step 3

Find the area of shaded rectangle DEHG

The area of rectangle DEHG is equal to

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we have

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substitute

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step 4

Find the area of shaded rectangle BCFE

The area of rectangle BCFE is equal to

$A=(EF)(CF)$

we have

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substitute

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step 5

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step 6

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Simplify

Divide by 5 both numerator and denominator

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therefore

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