15 identical coins have a total mass of 44.52 grams. The density of the metal making the coins is 7.24 g/mL. What is the volume of each coin? (Show all calculations and all units)

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

the first one, all those points on the line just make a strait line.