Answer:
Simplify the expression: 
Use the exponent power:

Apply the given rules;

Simplify:

then;

Therefore, the simplified expression of
is, 
Answer:
The third one.
Step-by-step explanation:
Answer:
4 
Step-by-step explanation:
so we see a wholoe number "4", lets set that aside
we are left with 0.75 right
we can also write this as
75/100
we can simplify this by dividing 25 on both sides so it will becocme:
3/4
*Remember we have to bring the "4" we set aside earlier so final answer is*
4 and 3/4
Answer:
13.5
Step-by-step explanation:
6 + 3 = 9
9 × 3 = 27
27 ÷ 2 = 13.5
brainliest?
2(3+6) = 6 + 12 = 18
10² = 100
10(10+10) = 100 + 100 = 200