Decimals Quiz

QUESTIONS

1. A decimal is...

        A) A fraction whose denominator is equal to one

        B) A fraction whose denominator is equal to a power of ten

 

2. In order to raise a number to the forth power, one would...

        A) Multiply that number by four four times

        B) Multiply that number by itself four times

 

3. Ten to the fifteenth power would have how many zeroes?

        A) Fifteen

        B) Ten

 

4. When dividing by a power of ten, one must only...

        A) Move the decimal place to left in accordance with the number of zeroes

        B) Move the decimal place to right in accordance with the number of zeroes

 

5. A number raised to the first power is equal to...

        A) One

        B) Itself

 

6. How many zeroes can exist to the right of the decimal?

        A) Ten

        B) Infiniti

 

7. What is the decimal equivalent of 1/6?

        A) .11

        B) .17

 

8. What is the decimal equivalent of 1/7?

        A) .27

        B) .14

 

9. What is the decimal equivalent of 1/8?

        A) .14

        B) .12

 

10. What is the decimal equivalent of 1/9?

        A) .09

        B) .11

 

 ANSWER KEY:

1B, 2B, 3A, 4A, 5B, 6B, 7B, 8B, 9B, 10B

 

PRACTICE PROBLEMS

1. What is 16/56 expressed as a decimal?

2. What is 6/10 expressed as a decimal?

3. What is 3 raised to the fourth power?

4. What is 10 raised to the fifth power?

5. What is 2/3 expressed as a decimal?

6. What is .50 expressed as a fraction?

7. What is .80 expressed as a fraction?

8. What is 1/4 raised to the third power?

9. What is 2/9 expressed as a decimal?

10. What is 10/100 expressed as a decimal?

 

 ANSWER KEY:

1: .28

2: .60

3: 81

4: 100,000

5: .67

6: 1/2

7: 4/5

8: 1/64

9: .22

10: .10