Answer:
Step-by-step explanation:
"mutually exclusive" means "cannot happen at the same time." There's no "union" (no A ∩ B). The probability of this "union" is zero.
Veronicaadkins182. You are right
423-207.27=215.73
The value of this expression is 16. In exponential problems you can multiply the base by the number of times the exponent is. In this case it would be: 2*2*2*2. Then just multiply and get the product of 16.