Jeopardy Review: Exponents-Scientific Notation

Exponents

100

Write 4x4x4x4x4x4x4 in exponential form.

4^7

200

Write 3^5 in expanded Form.

3x3x3x3x3

300

Evaluate the expression, (-3)^3

-27

400

Evaluate the expression, (149)^0

1

500

Evaluate the expression, 2^3 + 3^2

17

Laws of Exponents

100

Evaluate: (2^2)^3

4^3 = 64 or 2^6 = 64

200

Simplify: (4y)^3

64y^3

300

Simplify: (3^5)

243

400

Simplify: 36^4

1 679 616

500

Simplify:385 298^0

1

Scientific Notation

100

Is the following expression written in scientific notation? If not, explain why. 3.25 + 10^-7

No, it should be multiplied, not added.

200

The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.

1.9 x 10^27

300

The mass of a Monarch butterfly is about 9.5 x 10^-3. Write this number in standard form.

.0095

400

The size of the Sahara desert is about 3.629 x 10^6 square miles and the Arabian desert is about 9 x 10^5 square miles. Which desert is larger? Explain how you know.

Sahara, because the exponent is bigger.

500

The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 10^8, Arctic Ocean - 1.323 x 10^7, Atlantic Ocean - 1.061 x 10^8, Indian Ocean - 7.49 x 10^7

Arctic, Indian, Atlantic, Pacific

Operations w/ Scientific Notation

100

Solve the expression. Write your answer in scientific notation. (3.7 x 10^9) + (9.04 x 10^9)

12.74 x 10^9 = 1.274 x 10^10

200

Solve the expression. Write your answer in scientific notation. (8.45 x 10^-7) - (6.9 x 10^-7)

1.55 x 10^-7

300

The surface of the Earth is water and land. The approximate total surface area of Earth is 5.1 x 10^8 km2 and the approximate total surface area of water is 361,000,000 km2. About how much of Earth's surface area is land?

1.49 x 10^8

400

Humpback whales are known to weigh as much as 8 x 10^4 pounds. The tiny krill they eat weigh only 2.1875 x 10^-3 pounds. Approximately how many times greater than krill are humpback whales?

4 x 10^7

500

A computer can perform 4.66 x 10^8 instructions per second. How many instructions is that per minute? Per hour? Write your answers in scientific notation.

Per Second = 2.796 x 10^10 Per Hour = 1.6776 x 10^12

Miscellaneous

100

The wavelength of an electron is 0.000000000001 m. Rep in SN.

1 x 10^-12

200

Bell Media makes $1 000 000/day. How much would the company make in one week? Rep in SN.

7 x 10^6

300

Is the following number written in scientific notation? Why or why not? 13.79 x 10^7

No, 13.79 is greater than or equal to 10.

400

The mass of Mars is about 6.4 x 10^23 kg. What is this in Standard Form?

640 000 000 000 000 000 000 000

or six hundred forty quintillion 

500

Kaden enters the Terry Fox Run. He walks 10 km each day for 82 days. How far has he walked altogether? Represent this answer in Scientific Notation.

8.2 x 10^2