D. 1057 is not prime... It is divisible by 7!
Brainliest answer plz!
Answer: 
Step-by-step explanation:
The total number of cards =52
The number of kings in the cards = 4
If repetition is not allowed , then the total number of ways of choosing 3 cards will be :-

The number of ways of choosing 3 kings will be :-

Now, the probability of choosing 3 king cards will be :-

Hence, the probability of choosing 3 king cards =
Answer:
It would be 2
Step-by-step explanation:
Since they are looking for only 1 significant fig. you would round the number that would make this correct, for example:
You would look at 1.7 and ignore the others...
7 is greater than 5 so it'll affect the 1
And that how you get 2 : )
A- Stable electron configurations are likely to contain - filled energy sub-levels.
B- How many unpaired electrons are in a sulfur atom (atomic number 16)? Answer is 2
Answer:
Since both terms are perfect squares, factor using the difference of squares formula.
(x+9y)(x−9y)