Answer:

Explanation:
This is called a series, to solve it you need to give the first hop which is going to move you 1/3 of the way, the you hop another time, this will move you 1/3 of the 2/3 missing, this means you have moved now:

and you are missing 4/9 of the way.
Next hope will move you 1/3 of the 4/9 missing, which is
, adding this to the path you have already moved is:

and you are missing 8/27 of the way.
The fourth hop is the same, one third of the missing path:
, and adding this to the traveled path:

and you are missing 16/81 of the way.
The last and fifth hop is again one third of the missing path:
, and adding this to the already moved way:

And you end here.
Friends*.....And what you mean
Answer:
Topical retinoid
Explanation:
Topical retinoid is a lotion, cream and gel that is being made from vitamin A that is used for the proliferation and used to reduce the keratinization of the skin cells that independent for their functions as a vitamin. Many of the branding creams contain retinol content int their products.
Uses:
To reduce the moderation of acne, pimple, etc.
It is being used to reduce the scars.
But sometimes it can irritate the skin specially sensitive skin.
It can increase the chances of sin burn with some people.
The concern is whether or not one can develop the capacity to share intimacy with someone else.