Answer:

Step-by-step explanation:
Here is a problem with the concept of properties of the exponent.
We are given
and we have to find the value of 5x.
Now,
{Since we are given that
}
⇒
{Since we can write
}
⇒
{Since we know the formula of exponent as
}
(Answer)
Stem|leaf data: 11 12 13 21 22 23
1|1 2 3
2| 1 2 3
You're basically just splitting the numbers up. Tens in the stem row and ones in the leaf row. I hope this helps you!
Answer: C
Step-by-step explanation:
We know that
, and thus by the exterior angle theorem,

Thus, 
Answer:
y=1.7
x=.9
Step-by-step explanation:
7,680
To my knowledge, but if someone else answers, maybe trust them