How Many Permutations of the Seven Letters A, B, C

question 43

Short Answer

How many permutations of the seven letters A, B, C, D, E, F, G have E in one of the first two positions?

---

Definitions:

Clostridium Difficile

A bacterium that can cause symptoms ranging from diarrhea to life-threatening inflammation of the colon, often following antibiotic use.

Soap and Water

A basic hygiene practice involving the use of soap and water for cleaning to reduce or eliminate germs, dirt, and harmful substances from surfaces or skin.

N95 Respirator

A protective mask that fits closely over the nose and mouth and filters out at least 95% of airborne particles, including viruses and bacteria.

Contaminated Dressings

Dressings that have come into contact with pathogens or environmental contaminants, posing a risk of infection when used in wound care.