D. Simplify each expression. Write all answers in scientific notation

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Name _____________________________

A. Simplify.

1. 2

3

2.

 

3

Exponents & Scientific Notation Quiz Study Guide

3. 5

4 

5

6

B. Multiply or divide.

5.

2

5

6.

( )

3

2

7.

 

3

2

2

C. Multiply or divide. Write the product or quotient as one power.

4.

8

7

 

2

8.

-

7

2

9. n

1  n

4  n

7

10. 4

3 

4

2 

4

0 

4

1 u

7

11. u

2

6

3

12.

6

5

D. Write each number in standard notation.

13. 4.81

´

10

3

14. 3 .

56

10

4

E. Write each number in scientific notation.

15. 5 .

12

10

0

16. 235,000,000 17. -3,400 18. 0.0000000067

F. Simplify each expression. Write all answers in scientific notation. Show work!

19. (1.42

´

10

6

)

-

(2

´

10

3

) 20.

3.5

´

10

9

7

´

10

5

21. (5.1

´

10

7

)(

-

1.2

´

10

4

)

G. Solve. Write all answers in scientific notation. Show work!

22. Johnny says that 23,000 is written as 2.3 x 10 3 . Is he correct? Why or Why not?

23. Jupiter is about 778,120,000 km from the sun. Write this number in scientific notation.

24. A microscope can view objects 0.0000875 mm thick. A supermicroscope can view objects 2000 times as thick. How thick can the supermicroscope objects be viewed? (write in scientific notation)

25. True or False: 2.6 x 1 5 is an example of a number written in scientific notation. If true, explain why it is true. If false, explain why and write in the correct format.

Name _____________________________

A. Write each number in standard notation.

1. 4.81

´

10

3

2. 3 .

56

10

4

Scientific Notation Quiz Study Guide

3. 5 .

12

10

0

B. Write each number in scientific notation.

4. 235,000,000 5. -3,400 6. 0.0000000067

7. Order from greatest to least: 650,000 , 6.5

´

10

4

,

-

6.5

´

10

4

, 0.0065 , 6.5

´

10

-

4

C. Simplify each expression. Write all answers in scientific notation. Show work!

8. (1.42

´

10

0

)

-

(2

´

10

-

3

) 9. (2.7

´

10

5

)

+

(6

´

10

3

)

10.

3.5

´

10

9

7

´

10

-

5

11. (5.1

´

10

7

)(

-

1.2

´

10

4

)

D. Solve. Write all answers in scientific notation. Show work!

12. John says that 23,000 is written as 2.3 x 10 3 . Is he correct? Why or Why not?

13. If a computer can perform an addition operation in 1.5x10

-6 seconds, in how much time can it perform

1500 addition operations?

14. The population of Mathville is 5.6x10

3 . The population of Algeville is 1.3x10

4 . How many more people are there in Algeville?

15. A microscope can view objects 0.0000875 mm thick. A supermicroscope can view objects 2000 times as thick. How thick can the supermicroscope objects be viewed? (write in scientific notation)

16. True or False: 2.6 x 1 5 is an example of a number written in scientific notation. If true, explain why it is true. If false, explain why and write in the correct format.

Name ___________________________

Class ________

____/ 30

Unit 1 – Exponent & Scientific Notation Quiz

A. Matching: Simplify each expression and write the letter of its simplest form. You must show work for partial credit. (2 points)

____ 1.

(

-

3)

3

A. 5 x

10

B. 27

____ 2. x

-

1 · x

7

____ 3.

2 x

0

·-

5 x

2

____ 4.

ç

æ

è

10 x

8

2 x

-

2

÷

ö

ø

C. x

8

D.

-

10 x

2

E. 9 x

4

F. x

6

G. -27

____ 5.

-

3

3

B. Write each number in scientific notation. (2 points)

6. 1,600,000,000 = ___________________

H.

x

2

10

7. 0.0000289 = ______________________

C. Write each number in standard form. (2 points)

8. 2.3 x 10 4 = _______________________

10. Circle which is larger : 2.6 x 10 -2 or 2.5 x 10²

9. 7.46 x 10 -6 = ______________________

D. Simplify each expression. Write all answers in scientific notation. You must show work for partial credit! (2 points)

11.

(2 x 10³) + (4.1 x 10²)

= ___________________

12.

3

´

10

4

´

10

13

5

=

_______________________

13. Joe won 12 million dollars playing the lottery, but has to pay 150,000 in gift taxes. How much money did he actually win?

_______________________

14. Giant’s refrigerator shelves hold 1,250 cartons of milk. If the store restocks the shelves 100 times per month, what is the total number of cartons sold per month?

_______________________

15. Ted says that 0.0023 is written as 2.3 x 10 3 . Is he correct? Why or Why not? Please respond using complete sentences.

Name ___________________________

Class ________ ____/

27

Unit 1 –Scientific Notation Quiz

A. Matching: Write the letter of the matching form for each expression. You must show work for partial credit. (2 points)

____ 1.

-

3.1

´

10

3

____ 2.

3,100, 000

A. -

3.1

B. 3.1

´

10

1

____ 3.

3.1

´

10

0

____ 4. 3.1

´

10

-

2

C. -

0.0031

D. 3.1

´

10

5

E. 0.031

____ 5.

-

31

F. 3.1

´

10

6

G.

-

3,100

6. Given the numbers: 650,000 , 6.5

´

10 4

,

-

6.5

´

10 4 , 0.0065 , 6.5

´

10

-

4 a. Which one is the smallest? b. Which one is the largest?

_______________________ _______________________

B. Simplify each expression. Write all answers in scientific notation. You must show work for partial credit! (3 points)

7.

(2 x 10³) + (4.1 x 10²)

= ___________________

8.

3

´

10

4

´

10

13

5

=

_______________________

9. Joe won 12 million dollars playing the lottery, but has to pay 150,000 in gift taxes. How much money did he actually win?

_______________________

10. Giant’s refrigerator shelves hold 1,250 cartons of milk. If the store restocks the shelves 100 times per month, what is the total number of cartons sold per month?

_______________________

11. Ted says that 0.0023 is written as 2.3 x 10 3 . Is he correct? Why or Why not? Please respond using complete sentences.

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