You are taking a multiple choice quiz that consists of five questions. Each question has four possible answers, only onw of which is correct. To complete this quiz, you randomly guess the answer to each question. Find the probability of guessing exactly 3 answers correctly.

3/20

Step-by-step explanation:

You're taking a 5 question quiz w/ 4 options but 1 correct answer. then guessing 3 correctly would be  3 out of 20.

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )