What year did al Khwarizmi use zeros?

Do size 205 60 15R tires fit a 1991 Toyota celica? How do you disable a frontera 2.2 alarm? What is the estimated value of a M1 garand built in March of 1945 with the original stock barrel and receiver? What are the advantages of globalization of fashion? Spark plug gap for 02 Buick Rendezvous? What does the digit 5 stand for in 24.985? What did children wear in the 80's? What is the theme of the story the other foot by Ray Bradbury? What is the average length of a 2 year old's leg? Can you delete songs on Xbox 360? Is Naruto Shippuden episode 36 out in English? What is the important function of the central nervous system? How do you hedge a call option? What must you do when your see another vessel's red and white light off your starboard bow? What is the proper fuel oil mixture for mercury 5hp outboard? How gonorrhea transmits? Do pickles and peanut butter go well together? How can the radioactive decay rate be changed? What is mathelide? The sound created when blood leaks back through an incompletely closed valve is called what?

What year did al Khwarizmi use zeros?