Quiz about Scientific Notation Test

Question 1

Write the answer in scientific notation.
4.1 x 10⁵ + 5.5 x 10⁶ =

Accepted Answer

5.91 x 10⁶

Answer

9.6 x 10⁵

Answer

9.6 x 10¹¹

Answer

4.65 x 10⁵

Question 2

(7.2 x 10⁶) - (3.4 x 10⁶)

Accepted Answer

3.8x106

Answer

7.7x106

Answer

3.7x 106

Answer

3.9x106

Question 3

When adding or subtracting in scientific notation, what needs to be the same before you can solve it?

Accepted Answer

Exponents

Answer

Coefficients

Answer

Variables

Answer

None of these

Question 4

Add.
(8.31 x 10^-2) + (1.1 x 10²)

Accepted Answer

1.100831 x 10²

Answer

8.30899 x 10⁷

Answer

1.31101 x 10^-³

Answer

8.31101 x 10⁷

Question 5

The population of Cherokee County is 5.6 x 10³. The population of Cedar Bluff is 1.3 x 10². How many more people are there in Cherokee County than Cedar Bluff?

Accepted Answer

5,470

Answer

57.4 x 10³

Answer

5047

Answer

5.47

Question 6

Select the equivalent expression
8⁰

Accepted Answer

1

Answer

0

Answer

-8

Answer

8

Question 7

Find the perimeter of rectangle with one side 2.0 x 10 ² and the other side 4.3 x 10⁵

Accepted Answer

8.604 x 10⁵

Answer

8.604 x 10²

Answer

4.302 x 10⁵

Answer

None of these

Question 8

Find the difference of 2.657 x 10¹¹and 2.371 x 10⁹

Accepted Answer

2.63329 x 10¹¹

Answer

2.63329 x 10⁹

Answer

2.68071 x 10¹¹

Answer

None of these

Question 9

What is the quotient of:

(6.9 x 10⁷) / (2.3 x 10^-3)

Accepted Answer

3 x 10¹⁰

Answer

3 x 104

Answer

3 x 10-4

Answer

3 x 10-11

Question 10

Solve:
(9 x 10^-6) / (3 x 10^-3)

Accepted Answer

3 x 10-3

Answer

27 x 10-9

Answer

3 x 10-9

Answer

27 x 10-3

Question 11

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

Accepted Answer

3.008 x 10¹²

Answer

30.08 x 10¹¹

Answer

3.8 x 101

Answer

2.9375 x 10¹

Question 12

Which is the largest?

4.8 x 10^-6

3.1 x 10^-4

6.5 x 10³²

8.4 x 10¹⁹

Accepted Answer

6.5 x 10³²

Answer

3.1 x 10^-4

Answer

8.4 x 10¹⁹

Answer

4.8 x 10^-6

Question 13

Which is the smallest?
1.3 x 10²⁰2.9 x 10²¹9.5 x 10³²8.4 x 10¹⁹

Accepted Answer

8.4 x 10¹⁹

Answer

1.3 x 10²⁰

Answer

2.9 x 10²¹

Answer

9.5 x 10³²

Question 14

What is 2.2 x 10⁶in standard form?

Accepted Answer

2,200,000

Answer

220,000

Answer

22,000,000

Answer

.0000022

Question 15

The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?

Accepted Answer

4.5 x 10⁵

Answer

4.5 x 10^-5

Answer

45 x 10-4

Answer

45 x 104

Question 16

ANY number raised to a power of 0 will be....

Accepted Answer

1

Answer

10

Answer

itself

Answer

0

Question 17

UNDERSTANDING
If the exponent is a negative number...

Accepted Answer

you will get a small number

Answer

you will get a large number

Question 18

If you add to your exponent of 10, you move your decimal...

Accepted Answer

Left

Answer

Right

Answer

Up

Answer

Down

Question 19

If you subtract from your exponent of 10, you move your decimal to the ....

Accepted Answer

Right

Answer

Left

Answer

North

Answer

South

Question 20

Convert the following number in standard form into scientific notation: .00092

Accepted Answer

9.2x10-4

Answer

9,200,000

Answer

9.2x104

Answer

2.9x10-4

Question 21

(5.7x10⁵) - (3.9x10⁴)

Accepted Answer

5.31x105

Answer

1.8x105

Answer

6.09x104

Answer

5.31x104

Question 22

There are approximately 3.1 x 10⁸ people in the United States. If each person has 4.1 x 10¹ coins, how many coins are there altogether?

Accepted Answer

1.271 x 10¹⁰

Answer

1.271 x 10⁹

Answer

1.271 x 10¹¹

Answer

1.271 x 10⁸

Question 23

5. The Colorado Department of Education spent about 4.408 x 10⁹ in fiscal year 2004-2005 on public schools. There were about 7.6 x 10⁵ students enrolled in public school. What was the average spending per student?

Accepted Answer

Divide

Answer

Add

Answer

Subtract

Answer

Multiply

Question 24

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. Approximately how many times bigger is the sun than the earth?

Accepted Answer

3.326 x 10⁵

Answer

3.326 x 10⁶

Answer

1.99 x 10³⁰

Answer

1.99 x 10⁶

Question 25

As part of a Beta Club community service project, the club planted 7x10⁵ trees in a year. If there are 3.5x10³ students in the club, how many trees did each student plant?

Accepted Answer

2 x 102

Answer

2 x 108

Answer

3.5 x 10⁸

Answer

3.5 x 102

Question 26

Simplify the expression.

Accepted Answer

7.5 x 10^-3

Answer

7.5 x 103

Answer

3.1152 x 10^-2

Answer

3.1152 x 10²

Question 27

When multiplying using scientific notation you multiply the coefficients,add the exponents,and keep the same base which should be 10 .

Accepted Answer

True

Answer

False

Question 28

Londyn bought 8.5 x 10³ red beads and 1.7 x 10³ beads to make bracelets for her friends. How many times greater the number of white beads is the number of red beads she bought?

Accepted Answer

5 x 100

Answer

14.45 x 10⁶

Answer

1.445 x 10⁷

Answer

5 x 101

Question 29

The length of the Amazon River in South America is 6,400 kilometers. What is this length written in scientific notation?

Accepted Answer

6.4 x 103

Answer

6.4 x 102

Answer

6.4 x 10^-4

Answer

6.4 x 10^-3

Scientific Notation Test

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