Question Is in the picture! Please Answer All Of The Questions If you can!
2 answers:
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Answer:
Step-by-step explanation:
Variance is the sum of squares of all items x from mean. i.e
Variance =
Being the sum of squares variance can never be negative irrespective of mean being negative.
Std deviation is the square root of variances. This will thus be less than variance if variance >1 other wise std deviation will be bigger than variance.
Hence option d is right.
Answer:
Step-by-step explanation:
I'm not sure if you had a typographical error with this statement, "5 to the fourth power, over 25 = 52."
According to the <u>Quotient Rule of Exponents</u><u>:</u>
Method 1:
In order for you apply the Quotient Rule, the base must be the same. Since 5 is a factor of 25, then you could rewrite 25 as 5². Doing so will give you the following exponential expression:
Method 2:
Even if you solve the given problem manually, you'd still get the same answer:
Both methods produced the same result, proving that the correct answer is 25.
Please mark my answer as the Brainliest, if you find this helpful :)