Answer:
so I'm doing the same test so the first answer the first answer is 20 and the second I'm not sure but I believe its also 20 sorry if I'm wrong.
Step-by-step explanation:
Answer:
i
Step-by-step explanation:
is the same thing as i, which is an imaginary number.
Since you can't take the square root of negative numbers, we use i to do it.
Answer:
738
Step-by-step explanation:
Answer:
1. 44 + 3x
2. 2y - 8
3. x - 6
15. 
16. 
17. 
Step-by-step explanation:
1. 7² + 2² - 5 - 4 + 3x
49 + 4 - 5 - 4 + 3x
53 - 5 - 4 + 3x
48 - 4 + 3x
44 + 3x
2. - y - 5 + y + 2(2y-y) - 3
-y - 5 + y + 4y - 2y -3
-y - 5 + 5y - 2y - 3
4y - 2y - 5 - 3
2y - 8
3. 5x -3 - x - 3(x + 1²)
5x - 3 - x - 3x - 3
4x - 3x - 3 -3
x - 3 -3
x - 6
15.
=
=
=
→ 
16. 
= 
= 
=
→
→ 
17. 
= 
= 
=
→ 
Hope this helps.
For this case we have the following number written in scientific notation:

We know that this number is greater than zero because it is a positive number.
Therefore, the following statements are true:
p ∈ (-∞, ∞)
n must be between 1 and 10
n ∈ [1, 10]
Answer:
The following statements are correct about the number written in scientific notation:
p ∈ (-∞, ∞)
n ∈ [1, 10]