Multiplying & Dividing (Sci Notation)
Addition & Subtraction (Sci Notation)
Word Problems
Mixed Practice
Quiz 2.1 & 2.2 Review
100

(2 x 103) x (3 x 104)

6 x 107

100

(3.2 x 105) + (4.1 x 105)

7.3 x 105

100

An electronic component completes 4 x 106 calculations per second. How may total calculations does it complete in 3 x 102 seconds?

12 x 108 calculations

100

(9.6 xx 10^8) / (3 xx 10^2)

3.2 x 106

100

Simplify by combining like terms:

7x + 4y - 3x + 8y

4x + 12y

200

(8 xx 10^-2) / (4 xx 10^5)

2 x 10-7

200

(8.5 x 104) - (2.7 x 104)

5.8 x 104

200

A large data center processes 8.4 x 1012 megabytes of data per year. A small local server processes 2.1 x 108 megabytes per year. How many times greater is the data center's capacity than the small server's capacity?

7 x 104 times greater

200

(4 x 105) x (8 x 103)

3.2 x 109

200

Simplify the expression completely:

5(2a - 3) - 4(a - 6)

6a + 9

300

(4.5 x 106) x (6 x 103)

2.7 x 1010

300

(5.4 x 106) + (3.1 x 105)

5.71 x 106

300

In a regional agricultural project, Farm A harvested 6.8 x 106 kilograms of wheat. Farm B harvested 4.5 x 105 kilograms of wheat. What was the total combined mass of wheat harvested by both farms?

7.25 x 106 kg

300

(1.5 xx 10^-2) / (5 xx 10^-6)

3 x 103

300

Simplify the following expression by distributing and combining like terms, then factor the result completely:

3(4x - 3) + 2(x + 15)

7(2x + 3)


400

(1.2 xx 10^4) / (4.8 xx 10^-3)

2.5 x 106

400

(1.2 x 108) - (8.5 x 106)

1.115 x 108

400

At a certain point in its orbit, Planet X is 1.5 x 108 kilometers from the Sun, while Moon Y (orbiting a outer planet) is 4.5 x 106 kilometers from its host planet. How much farther is Planet X from the Sun than Moon Y is from its host planet?

1.455 x 108 kilometers

400

(7.3 x 106) - (4.2 x 105)

6.88 x 106

400

((2x^3)^4 • x^-5) / x^1

16x6

500

Light travels at approximately 3 x 108 meters per second. The distance from Earth to a distant space probe is 6 x 1011 meters. How many seconds does it take for a radio signal traveling at the speed of light to reach the probe from Earth? Express your answer in scientific notation.

(6 xx 10^11) / (3 xx 10^8) = 2 xx 10^3

500

The mass of the Earth is approximately 5.97 x 1024 kg, while the mass of the Moon is approximately 7.35 x 1022 kg. How much greater is the mass of Earth than the mass of the Moon? Express your answer in scientific notation.

(5.97 x 1024) - (7.35 x 1022) = 

5.8965 x 1024

500

A high-speed interstellar satellite travels at an average speed of 6.48 x 107 meters per hour. It needs to reach a station that is 8.1 x 1010 meters away. How many hours will it take for the satellite to reach the station? Express your answer in proper scientific notation.

(8.1 xx 10^10) / (6.48 xx 10^7) = 1.25 xx 10^3

500

(8.7 x 10-4) + (9.5 x 10-3)

1.037 x 10-2

500

(15a^4b^-2) / (3a^-2b^5)

(5a^6) / (b^7)