Answer:
The simplified value of 
is 
.
Step-by-step explanation:
As the given expression is
Lets simplify this expression step by step
As
![-25^{-\frac{1}{2}}....[A]](https://tex.z-dn.net/?f=-25%5E%7B-%5Cfrac%7B1%7D%7B2%7D%7D....%5BA%5D)
So, lets plug in equation [A] i.e.
∵
∵ 
Therefore, the simplified value of is .
Keywords: simplification, exponent rule
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Answer: Simple Random
Step-by-step explanation:
- A simple random sampling technique is a random sample technique in which a subset of the population is drawn by the researcher . They are chosen in such a way that all the individuals in the population has an equal chance to get chosen .
Given : In a study, the sample is chosen by pulling 50 names from a hat .
Here the probability of each name to get selected is equal.
Thus, this is a simple random sampling method.
Answer:
{0,3,5}
Step-by-step explanation:
∩ means "and" so u would want to find out the numbers that repeat in both sets
Answer:
50, percentage increased by 200% (percent) of its value = 150
Step-by-step explanation:
