Any time: there is no restriction.
Any time that you wanted to.
Decimal numbers were in use in Europe well before the time of Fibonacci so he would have "related" to them when he started to count!
No, books about sports and games are typically found in the 700-799 range in the Dewey Decimal System. Sports and games are classified under the category of "arts and recreation" in this system.
796 Athletic & outdoor sports & games
The 700s are Arts and Recreation. Sports, as well as art, music, drama, games, and crafts are located in the 700s. Hobbies done in one's leisure time can be found in this Dewey section.
Yes because I hate sports but I have a skateboard an I use it all the time it is soo much fun.
Sports Time was created in 1984.
Sports Time ended in 1985.
Computers use a binary system, not decimal.
You can use coupon websites or apps that specialize in sports products, or maybe find printout coupons that you can use in a store near you. Online stores have sales all the time.
There is no such example. If you cannot use an exact fraction then there will not be an exact decimal that you can use instead. And, if you are using an approximate decimal, you could use an approximate fraction instead.