$125.4 is the answer to #1
#2 im not sure how the 10% effects the problem. so i cant help you there
Answer:
5040
Step-by-step explanation:
every card in a 52 deck, is unique, and there are 7 cards drawn, without replacement, so your answer is 7!, 7! = 7*6*5*4*3*2*1=5040
Answer:
1/2 rational exponent represents a square root.
Therefore, option A is correct.
Step-by-step explanation:
As we know that raising to the one-half power i.e.
is the same
as taking the square root.
- so
is the same as the square root of
.
For example, taking the square root of 4 will determine:





so the expression becomes


∵ 
so, 1/2 rational exponent represents a square root.
Therefore, option A is correct.
The first 2 parts are correct
Third part is 40 %