Answer:
54
Step-by-step explanation:
The perimeter is the sum of the outside
P = 8+4+5+10+( 4+10) +(8+5)
P = 54
Answer:
|x-5|=13
Step-by-step explanation:
I think this is right
Answer:

Step-by-step explanation:
If you mulitply 10*10, you get 100. As you continue to multiple more tens, you add a zero. Since you are multiplying 5 10s, it would be the 5th power of 10