Answer:
Step-by-step explanation:
BaF2 + Na2S = 2 NaF + BaS
Answer:
-14, -12, 0, 6, 8
Step-by-step explanation:
The answer to the question
62.5%
What I did was divided 43.75 by 70 to get 0.625.
Then I moved the decimal over two places to the right to get 62.5.
Among 180 people 27 are managers, 100 are floor assistants and the rest are helpers. Under the rest we mean 180-27-100=53 people.
The event "randomly selected employee is not a floor assistant" is the same as "randomly selected employee is manager or helper". You can count that in total 27+53=80 people form the set of managers and helpers.
Then the probability that randomly selected employee is not a floor assistant is

Answer: 