You would have to Find the GCF
<h2>
Answer with explanation:</h2>
Given : A standardized exam's scores are normally distributed.
Mean test score : 
Standard deviation : 
Let x be the random variable that represents the scores of students .
z-score : 
We know that generally , z-scores lower than -1.96 or higher than 1.96 are considered unusual .
For x= 1900

Since it lies between -1.96 and 1.96 , thus it is not unusual.
For x= 1240

Since it lies between -1.96 and 1.96 , thus it is not unusual.
For x= 2190

Since it is greater than 1.96 , thus it is unusual.
For x= 1240

Since it lies between -1.96 and 1.96 , thus it is not unusual.
0.35 is rounded to the nearest hundredth 3would be in the tenth place 4is in the hundredth place 6is in the thousandths place hope this helps
Answer:
C) -1
Step-by-step explanation:
Hope this helps!
:)
Answer:
1.6 cup
Step-by-step explanation:
2/5= 0.4
0.4*4= 1.6 cup