How manys stones in 80k?

How many didgits of pi are known? How many times is the word food mentioned in the bible? How far does sound go in 3 seconds? What the proposition to be on the negative or affirmative side of a debate? How much is 8 4 6 x 2? Natrural selection happens when an adaptation has been inherited by just a few members of a population. True or False? Why is the formula e equals mc2 and not merely e-mc? What is 7.365 simplifyed? What is 36 as a precent? How many inches is 800ml? What will be the pair of integers whose sum gives zero? What are the factors and prime for 45? How do you draw one quarter of a right angle turn? What is 45 minutes before 12 10? Where is 50 mil on the ruler? Is 1.4 x 10-4 in standard notation would the rite answer be 0.00014? Why are the books in the New Testament named after a certain person? What is the Gravitational potential energy of a 0.25 apple if it is in a tree 8.5 m high? What numbers round up to 8000? What is 5 over 1000 as a decimal?