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RUDIKE [14]
3 years ago
11

What is the leading coefficient that would be used for scientific notation of this number? (12,500,000,000)

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0

Answer:

1.25 would be the leading coefficient

Step-by-step explanation:

Leading coefficients in scientific notation have to be more than 1, and less than 10. Therefore, 12.5 or 0.125 would not be correct answers as they do not fit the criteria. Only 1.25 would work as the leading coefficient.

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the five classes at steam elementary are going to the zoo. the teacher need to put the students in group of tens the number of s
masya89 [10]
There will be 13 groups with 4 leftover
5 0
3 years ago
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I NEED HELP WITH 4 PROBLEMS PLEASE HELP ME QUICKLY! 1.-6(1+7k)+7(1+6k) is less than or equal to -2 2. -2(2-2x)-4(x+5) is less th
melisa1 [442]

Answer:

NUMBER 2) x>_3/7

Step-by-step explanation:

-2(2-2x)-4(x+5) is less than or equal to -24

-2(2-2x)-4(x+5) <_ -24        Divide the expression by the #'s outside the ()

2-2x+x+5>_-3                     This is the quotient from dividing it by -8 (-2 and -4)

(when you divide by a negative number, the signs flip)

7-x>_-3                                Now, divide both sides by 7

-x>_-3/7                              If you want, convert to a decimal. Lastly, divide by -1

x>_3/7

3 0
3 years ago
Find the domain of f(x)=7/x^2-9
LiRa [457]

the domain of the equation is this

{ x | x ≠ 0 }                                                                                                                                      

but I'm not entirely sure this is correct

8 0
3 years ago
Someone plz. help me with 7 and 8
Anon25 [30]
7.) the equation of the circle is
(x - 3)^2 + (y - 4)^2 = 25

If you substitute the point in you get
(6-3)^2 + (8-4)^2 = 25
3^2 + 4^2 = 25
9 + 16 = 25
25 = 25

Both sides of the equation are the same so it proves it lies on the circle

8.) you add the x coordinates together and divide by 2
7 + 4 = 11
11/2 = 5.5
You use +7 because you need to find the midpoint.
You then add 5.5 to - 7 or - 5.5 from 4
-7 + 5.5 = - 1.5

You do the same for y coordinates
6+5 = 11
11/2 = 5.5
6-5.5 = 0.5

So the coordinates of Rachel's house are
(-1.5, 0.5)
3 0
3 years ago
Rewrite in simplest terms (-9x-2y)+(4x-5y)
Evgesh-ka [11]

Answer:

-5x - 7y

Step-by-step explanation:

8 0
3 years ago
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