The product of two negatives and one positive will give you a negative number. Take the three numbers; -1, -1, and 1. There are two negatives and one positive.
-1 x -1 x 1 = 1 x 1 = 1 = positive number
So the possible answers are the positive numbers:
20 and 10
Hope this helps :)
2x+3 is the answer I believe
<h2>
Answer with explanation:</h2><h2>
</h2><h3>The confidence interval for population proportion is given by :_</h3>
Where : 
is the margin of error , n is the sample size , p is the sample proportion of success and 
is the significance level.
Given : Confidence level : 
Then , Significance level : 
Sample size : 
Sample proportion of respondents chose chocolate pie: 
Margin of error : 
Answer:
24 - 27 = -3
<em>and if you meant 2/4 - 2/7 in scientic notation:</em>
<em />
<em>2/4 - 2/7 = 3/14</em>
HOPE THIS HELPS
