Recall the inclusion/exclusion principle:

which means
Answer:

Step-by-step explanation:

I'm pretty sure the answer is
.700 + .12
Answer:
22/25
Step-by-step explanation:
Well, you just convert the 88% into a fraction as probability is in fractions so 88% = 22/25
Answer:
3.76 * 10^4
Step-by-step explanation:
He had 4.6 * 10^4 - 8.4 * 10^3
= (460 - 84) * 10^2
= 376*10^2
= 3.76 *10^4 answer