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MArishka [77]
3 years ago
10

Convert the following into scientific notation: 70.2 = _____ x 10 ____

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0

Answer:

7.02 x 10^1

Step-by-step explanation:

viva [34]3 years ago
5 0

Answer:

7.02 * 10^1

Step-by-step explanation:

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gogolik [260]

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Area = pi r squared

Step-by-step explanation:

If you need to, sometimes your teacher will ask you to leave you answers in terms of pi, or keep pi as 3.

3 0
2 years ago
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A^2-a+12=0 I need the roots
kumpel [21]

Answer:

a = 1/2 (1 ±sqrt(47))

Step-by-step explanation:

a^2-a+12=0

We will complete the square

Subtract 12 from each side

a^2-a+12-12=0-12

a^2-a=-12

The coefficient of a = -1

-Divide by 2 and then square it

(-1/2) ^2 = 1/4

Add it to each side

a^2 -a +1/4=-12 +1/4

(a-1/2)^2 = -11 3/4

(a-1/2)^2= -47/4

Take the square root of each side

sqrt((a-1/2)^2) =sqrt(-47/4)

a-1/2 = ±i sqrt(1/4) sqrt(47)

a-1/2= ±i/2 sqrt(47)

Add 1/2 to each side

a-1/2+1/2 = 1/2± i/2 sqrt(47)

a =  1/2± i/2 sqrt(47)

a = 1/2 (1 ±sqrt(47))

8 0
3 years ago
Which value of x makes this equation true?<br> -4.9 = -5.6 + x
stiks02 [169]
5.6-4.9=x

.7= x is the answer not .8
3 0
2 years ago
Need help asap! Show work if you can, it’s completely ok if you don’t tho
Savatey [412]
Its A) -67
plug the m and n values into the function and solve using pemdas.
5(-7)-2(-7+3)^2
-35-2(-4)^2
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3 years ago
What is the measure of EFC
Elanso [62]

Answer:

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Step-by-step explanation:

i hope this helped!!

4 0
3 years ago
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