Answer:
Student A: Testing plant growth in different types of soils
Student B: Comparing the water level in a lake during different times of the year
Step-by-step explanation:
Student A because it requires a hypothesis
Student B because it requires a hypothesis Student
A because it can be done in natural settings
Student B because it can be done in natural settings
Answer:
10%
Step-by-step explanation:
a simple way to put it is 50 * 2 is 100, 5 * 2 is 10, so 10/100 is 10%
Answer:
35
Step-by-step explanation:
To find the original number multiply by the reciprocal of 
, that is
number = 
× 21 = 
= 35
Answer:
5cm+6cm=11cm
Step-by-step explanation:
Adding the two,
If the original experiment trial was 100 draws the
A. True - Experimental probability of drawing a club is 32%
B. True - Theoretical probability of drawing a diamond is 25%
C. True - Experimental probability of drawing a spade 90 times out of 500 trials
