2 years ago

Ill give brainliest if it’s right

Mathematics

2 answers:

soldi70 [24.7K]2 years ago

5 0

Answer:

yes thats correct.

For it to be in scientific notation the first part is a number between 1 and 10, and the second part is a power of ten

Mandarinka [93]2 years ago

4 0

Answer:

Yes, the number is in scientific notation. Answer should be D.

Step-by-step explanation:

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Solve the system of equation below x+y+z=2 x-y+5z=6

mamaluj [8]

X + y + z = 2
x - y + 5z = 6

cancelando +y com -y:

x + z = 2*(-5)
x + 5z = 6

-5x -5z = -10
...x +5z = 6
---------------------
-4x = -4 *(-1)
4x = 4
x = 4/4
x = 1

x + z = 2
1 + z = 2
z = 2 - 1
z = 1

x + y + z = 2
1 + y + 1 = 2
2 + y = 2
y = 2 - 2
y = 0

S: {x, y, z} = {1, 0, 1}

8 0

3 years ago

How to do number 15?

tatiyna

I think it would be 120 because it is 2 times 60 and they add up to 180 I may be wrong buts that’s what I would do

3 0

3 years ago

I need help ASAP and giving brainlist

Nuetrik [128]

Answer:

-8, -10, -2 are your answers

4 0