Take it to your local coin collector or sell it on eBay.
The silver value of the coin is $1.25 as of today and that's likely what you could sell it for.
1936 is a common date, value is just for the silver, about $1.75
There's no coin called a "marquis" dime. If you're thinking of a MERCURY dime, please see the Related Question.
These sell for about $2 in online auctions.
To a collector it worth around 2 dollars fir the silver content.
a 1936 dime is called a mercury dime. they aren't rare so they are worth around a dollar
You can find a picture of a 1936 liberty dime at the related link below.
If the mint mark is D or S the dime could be worth from $2.50 to $90.00 depending on the condition. If not, then it's just worth the price of the silver unless it's in uncirculated condition.
You just spend it. A 1965 dime has no silver and is commonly found in circulation, even in better grade these coins are just worth 10 cents.
Yes. The 1962 Roosevelt dime is 90% silver.
There is 2.25 grams of silver in a 1960 dime.
There is no silver in a 1990 US dime.