Answer:
It should be 10 raised to power 2 which is a hundred.
Answer:
17 years.
Step-by-step explanation:
Zanna was born is 1997
Zanna's cousin was born in 1980
1997 - 1980 = 17
Answer:
Step-by-step explanation:
55.25x.87=48.07
55.25+48.07=103.32
Answer:
3.045 x 10^-3
Step-by-step explanation:
0.003045
scientific notation 0.003045
= 3.045 x 10^-3
<h3>
Answer: B) 2.9 approximately</h3>
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Explanation:
The weird or fancy looking E symbol is the greek uppercase letter sigma. It is effectively the english version of S to represent summation. So we add up all the
terms to get this. Luckily this has already been done for us in the table where they wrote "sum = 34", so 
From here, we substitute this into the formula, along with n = 5 since there are 5 items in the original list
So,

This computes the sample standard deviation. To get the population standard deviation, you'd basically change the "n-1" to simply "n", and the rest of the formula is identical.