Answer:

Step-by-step explanation:
Apply the exponent rule:

Answer:
option b is your correct answer
hy if it help you then mark me brilliant
.............
The process of writing repeating decimals or repeating pattern of digits by using a bar is called Bar Notation .
The bar is put above the digits which keeps on repeating after a decimal.
When we divide a fraction then there are three cases .
1) Division comes to end
2) The division does not come to end it goes on for ever
3) The same digits keeps on repeating after the decimal.
The given fraction is 

The digit 54 keeps on repeating So the bar is put over 54
The third option is the right answer where the bar is put over 54.
Answer:
Profit percentage
.
Step-by-step explanation:
Given: A garment dealer buys goods for
and spend
on freight. He seeks the entire stock for
.
To find: His loss/profit percentage.
Solution:
We have,
Cost price of goods 
Spent on freight 
So, total cost of goods
Selling price of entire stock 
Now, Profit 
So, Profit 
Now,




Hence, profit percentage
.