Scientific Notation

1.

1 point

The government will give each state the same amount of social
security numbers. There are 5 × 10^9 available numbers to give
in total. How many will be allocated to each state?

100,000,000

25 × 1010

10,000

1 × 108

2.

1 point

For which value of k is the equation below true?
4,522,800,000 = 4.5228 × 10^k ?

9

8

5

10

3.

1 point

3 x 10^4 + 2.5 x 10^5

3.25 x 10^5

2.8 x 10^5

5.5 x 10^9

.5 x 10^5

4.

1 point

2.1 x 10^-3 x 2 x 10^2 =

4.2 x 10^-5

4.2 x 10^-1

4.2 x 10^1

4.2 x 10^-6

5.

1 point

Which of the following is correctly written in scientific notation?

1.2 x 10^2

12 x 2^2

12 x 10^2

0.12 x 10^2

6.

1 point

What is 6.92 x 10 ^-4 in standard form?

0.692

0.00692

0.000692

0.0692

7.

1 point

To multiply two numbers using scientific notation, you would...

divide the exponents on the powers of ten

multiply the exponents on the powers of ten7.8911 x 10^6

add the exponents on the powers of ten

subtract the exponents on the powers of ten

8.

1 point

What is 0.000058 written in scientific notation?

5.8 x 10^6

5.8 x 10^-5

5.8 x 10^5

5.8 x 10^-6

9.

1 point

5 x 10^4 ÷ 2.5 x 10^2 =

0.5 x 10^6

2 x 10^2

12.5 x 10^2

5 x 10^6

10.

1 point

What is 6.92 x 10^-3 written in standard form?

0.692

0.000692

0.00692

0.0692

11.

1 point

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

6.4 x 10^3 km

6.4 x 10^2 km

6.4 x 10^5 km

6.4 x 10^4 km

12.

1 point

What is 4.01 x 10^0 written in standard form?

0.401

40.1

4.001

4.01

13.

1 point

Which is the best example of a number written in scientific notation?

12.5 x 102

.5 x 10^5

.1254

5.367 x 10-3

14.

1 point

A rectangular section of wilderness will be set aside as a
new wildlife refuge. Its dimensions are 5 x 10^5 meters by
4 x 10^4 meters. Find the area of the land in square meters.

2 x 10^10 square meters

20 x 10^9 square meters

9 x 10^1 square meters

9 x 10^9 square meters

15.

1 point

When would you use scientific notation?

when there are very large numbers

when there are very small numbers

both

neither

16.

1 point

Write 6.37 X 1O^-2 in standard form.

637

63700

0.00637

0.0637

17.

1 point

What two components are part of a scientific notation expression?

A number between 1 and 10 and a power of 10

Any number and by a power of 10

A number between 1 and 10 and another number with an exponent

A number between 0 and 10 and by a power of 10

18.

1 point

Evaluate this expression: 2.48 x 10^-3

2,480

0.000248

0.00248

248,000

19.

1 point

How would you write the number 7,891,100 in scientific notation?

7.8911 x 10^6

7 x 10^6

78 x 10^5

78,911 x 10^2

20.

1 point

A virus is viewed under a microscope. Its diameter is 0.0000002 meter. How would this length be expressed in scientific notation?

2 x 10^-6 m

2 x 10^-7 m

2 x 10^7 m

2 x 10^6 m