How much is 30 tens?

What is the diameter of a circle if its radius is 30cm? 2 dimes and 3 nickels and 4 pennies? What is a cut piece of clear glass or plastic in the form of a triangle or other geometric shape? Find the probability that 1 of the first 4 batters gets a hit if the probability of getting a hit is 240? What unit do you use to measure the mass of an apple? What is the answer for this riddle from mythology island equals take back six but still leave ten? What are 10 numbers that round to 2700? If the first hill is 20 cm high the second hill is 0 cm high and the last hill is 0 cm high how long does it take the 50 g car to reach the egg? How much gold is in st gaudens 20 coins? Negative number multiplied by a positive number? what 640 divided 20? What 2 numbers multiplied equal 272? How many square meter in 25 acre? How do you find simple interest rate? What fraction is equivalent to 7 over 8? How do you write 0.04 billion in numbers? How many quarters are equal to one half? What is the radius of a circle that has a circumference of 81.64 meters? How can you find 3 x 584 using expanded form? Is creeping a root?