Mushrooms produce a tremendous number of spores. However, very few spores go on to establish a

Question

new mushroom colony. A "colony" is actually a little bunch of fuzzy-looking cells called a mycelium.
Let's say a particular mushroom produces a billion spores in a day. If two-thirds of one percent of those
spores successfully produces a new mycelium, how many of the spores were successful?

Answer 1

2/3 * 0.01 * 10^9 = 0.66666 * 10^7 = 6,666,666