Shelby tossed 3 quarters into the air. What is the probability that all 3 quarters will land heads up

For 3 quarters, the probability that all 3 quarters will land heads up is;

P = 1/2 * 1/2 * 1/2 = 1/8

P = 1/8

Step-by-step explanation:

The probability that one quarter will land heads up is 1/2.

For 3 quarters, the probability that all 3 quarters will land heads up is;

P = 1/2 * 1/2 * 1/2 = 1/8

P = 1/8