There are a total of 4 queens in a standard deck of 52
cards. The probability that the 2 consecutive draws are queen is:
Probability = (4 / 52) * (3 / 51)
<span>Probability = 12 / 2652 = 0.004</span>
Answer:
D. The system is in echelon form.
Step-by-step explanation:
Check attachment
Ending Amount = Beginning Amount / 2^n
where 'n' = # of half lives
n = 20,000 / 1,600 = 12.5 half-lives
Ending Amount = 1 kg / 2^12.5
Ending Amount = 1 kg /
<span>
<span>
<span>
5,792.6
</span></span></span>Ending Amount =
<span>
<span>
<span>
0.00017263 kilograms = </span></span></span><span>0.17263 grams
</span>