Find the difference (subtract) between the accepted value and the experimental value, then divide by the accepted value. To determine if a value is precise find the average of your data, then subtract each measurement from it.
Answer: 0.4%
Step-by-step explanation:
Total number of people 9000, divide the number of allergic reactions 36 by 9000.
36/9000=0.004
Now multiply 0.004 x 100 to reveal percent allergic reaction
0.004 x 100 = 0.4%
0.4% had allergic reactions
Answer:
2.4
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
dilated by a factor 8 => the area of a rectangle would be (8x8) times of the origin,
5/8 × (8x8) = 5/8 × 64 = 40 ft²
Answer:
8 pieces of candy
Step-by-step explanation:
Take the original amount of candy in the bowl to be 
.
It says that 20 pieces of candy were added, therefore there are 
pieces of candy in the bowl.
Half of the candy is gone, therefore 
pieces of candy are left in the bowl.
After half of the candy is gone, there are 14 pieces left, so we can say that 
Solve for :
