Answer:
1/a²⁷
Step-by-step explanation:
Given: 
We know that when the bases are same the powers can be added. i.,e.,
(xᵃ)ᵇ = x ⁽ᵃ ⁺ ᵇ⁾
⇒ 
Also, 
This is nothing but,
.
Note that
cannot be zero here. The condition is provided in the question as well.
Answer:

Step-by-step explanation:

Answer:No clue
Step-by-step explanation:
Answer: 200
Step-by-step explanation:
0.5 in : 10km =20 10in : ??
200/10 or 200 divided by 10 equals 20
200 is your answer