Answer:
20000 millimeteres
Step-by-step explanation:
Answer:

Option (C) is correct .
Step-by-step explanation:
As the expression given in the question as follows.

Now rationalize the expression.

Using the formula
a² - b² = (a - b) (a + b)
Using in the above


As i² = -1



Option (C) is correct .
I believe it’s the first one. i’m very sorry if it’s wrong
Answer:
b
Step-by-step explanation:
8