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vredina [299]
3 years ago
10

What is 2.8 × 10^4 in standard form? A) 28,000 B) 2,800 C) 0.2800 D) 0.0028

Mathematics
2 answers:
astraxan [27]3 years ago
7 0

Answer:

A) 28,000

Step-by-step explanation:

2.8 is getting multiplied by 10^4. 10^4=10,000

2.8*10^4=2.8*10,000=28,000

Ganezh [65]3 years ago
4 0

Answer:28000 B

Step-by-step explanation:

10^4 is 10000

2.8*10000 is 28000

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navik [9.2K]

Answer:

2

Step-by-step explanation:

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3 years ago
Solve |x|=5<br><br> A{-5}<br> B{5} <br> C{-5,5}
vaieri [72.5K]

Answer:

x=-5\quad \mathrm{or}\quad \:x=5

C is your answer

Step-by-step explanation:

\left|x\right|=5\\\mathrm{Apply\:absolute\:rule}:\quad\mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a\\x=-5\quad \mathrm{or}\quad \:x=5

5 0
3 years ago
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Helpppp pleaseee ! i don’t understand
Trava [24]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
Student to faculty is 17:3 The total is 740 how many students and faculty are at the college
inn [45]
Let the faculties be X and the number of students be Y.
X/Y = 17/3
3X= 17Y
X=17Y/3
Let that be equation 1
We also know that X+Y = 740. Let it be equation 2
Substitute equation 1 in equation 2
(17Y/3)+Y=  740
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Y=111
Since the total is 740, then X equal 740-111 =629.
The number of faculties is 111 and the number of students is 629.
7 0
3 years ago
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How many different ways can the line be named? What are those names?
boyakko [2]

Answer: A. 3 ways: k, DE, ED (both DE and ED have line markers over top)

To name a line, we just need two points on the line. We list them in any order because the line extends forever in both directions. Contrast this with a ray where order does matter. The little k is another way to name a line, potentially simplifying things.

Choice B is close, but it mentions ray DE instead of line DE. Choice C is missing line ED. Choice D is a similar story as choice B. These facts allow us to rule out B through D.

5 0
3 years ago
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