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lisabon 2012 [21]
3 years ago
14

Help meee pleaseeeee

Mathematics
1 answer:
Wittaler [7]3 years ago
7 0

Answer:

1 x 10^21

Step-by-step explanation:

The initial number (2 x 10^4) is in scientific notation.  Scientific notation must be written as: a X 10^n, where 0<a<10 and n is an integer. In this case, the number in scientific notation is being raised to the power of 5.  When we raise a power by another power, we must multiply the power of all the terms by the additional power.  In this case, we would get 2^5 x 10^20, this would be 10 x 10^20.  Since the value of 'a' needs to be greater than 0 and less than 10, we need to move the decimal to the left and add another power to our 10:  1 x 10^21.

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First come first served brainiest:)
inessss [21]

Anserve

Step-by-step explanation:

3 0
3 years ago
In the diagram below AFB is congruent to EFD if EFD = 5x + 6, DFC = 19x - 15, and EFC = 17x + 19, find AFE
yanalaym [24]

The angle m∠AFE is 128 degrees.

<h3>How to find angles?</h3>

∠AFB ≅ ∠EFD

∠EFD = 5x + 6

m∠DFC = (19x - 15)°

m∠EFC = (17x + 19)°

m∠AFE = ?

m∠AFB + m ∠EFD + m∠AFE = 180

Therefore,

5x + 6 + 5x + 6 + m∠AFE = 180

5x + 5x + 6 + 6 + m∠AFE = 180

10x + 12 + m∠AFE = 180

10x + m∠AFE = 180 - 12

10x + m∠AFE  = 168

m∠AFE = 168 - 10x

m∠EFC =  m ∠EFD + m∠DFC

17x + 19 = 5x + 6 + 19x - 15

17x - 5x - 19x = 6 - 15 - 19

-7x = - 28

x = 28 / 7

x = 4

Therefore,

m∠AFE = 168 - 10x

m∠AFE = 168 - 10(4)

m∠AFE = 168 - 40

m∠AFE = 128°

Therefore, the angle m∠AFE = 128°

learn more on angles here: brainly.com/question/13212279

#SPJ1

7 0
2 years ago
My brain is melting. I have no idea how to do this xD
shtirl [24]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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Likurg_2 [28]
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Y_Kistochka [10]
The answer to that would be D!
4 0
3 years ago
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