The correct option is A.
One of the basic feature of an experiment is the selection of participants by means of random method. It is very important to select participants randomly in order to avoid experimental bias that may occur as a result of the participants not been an exact representation of the concerned population.
Answer:
true
Step-by-step explanation:
join a, b, c the attach the value A to C=9, B to C=7, and B to A=16
Answer: A power of 10 is as many number 10s as indicated by the exponent multiplied together. Thus, shown in long form, a power of 10 is the number 1 followed by n zeros, where n is the exponent and is greater than 0; for example, 106 is written 1,000,000.
Step-by-step explanation:
take 63 and divide it by 2.
63÷2= 31.5
so they each had $31.5