Addition
Subtraction
Multiplication
Division
Word Problems
100

Add the following 

(1.7 xx 10^9) + (4.3 xx 10^9)

6.0 xx 10^9

100

Subtract the following and write in scientific notation 

(5.1 xx 10^5) - (3.1 xx 10^5)

2.0 xx 10^5

100

(3.2 xx 10^3)(5.1 xx 10^-7)

What do you do with the 3.2 and 5.1?

You must multiply them because it's a multiplication problem. 

100

(9.3 xx 10^9) / (3.1 xx 10^4) 

What do you do with the 9.3 and 3.1?

What is divide.

9.2/3.1

 = 3

100

The speed of light is

3 xx 10^8

 meters/second. If the sun is

1.5xx 10^11

 meters from earth, how many seconds does it take light to reach the earth? Will you add, subtract, multiply, or divide the scientific notation numbers?

What is multiply.

200

Add the following 

(1.7 xx 10^7) + (2.1 xx 10^5)

1.721 xx 10^7

200

Subtract the following and write in scientific notation 

(5.1 xx 10^5) - (3.1 xx 10^3)

5.069 xx10^5

200

(3.2 xx 10^3)(5.1 xx10^-7) 

What do you do with the exponents?

Add them. It would be -4. 

200

(9.3 xx 10^9) / (3.1 xx 10^4)

What do you do with the exponents?

What is Subtract. 9 - 4 = 5

200

The speed of light is

3 xx 10^8

 meters/second. If the sun is

1.5xx 10^11

 meters from earth, how many seconds does it take light to reach the earth? Write answer in scientific notation.

What is 

4.5 xx 10^19

300

Add the following 

(4.93 xx 10^-2) + (5.12 xx 10^-3)

5.442 xx 10^-2

300

Subtract the following and write in scientific notation 

(6.55 xx 10^7) - (4.3 xx 10^6)

6.12 xx 10^7

300

(2 xx 10^3)(3 xx 10^4)

Write in Scientific Notation

What is 

6 xx 10^7

300

(4.8 xx 10^3) / (2 xx 10^9)

Write in scientific notation.

What is 

2.4 xx 10^-6

300

While looking through a microscope the cell is magnified

2.8 xx 10^-8

 times. How small is the cell?

What is 0.000000028

400

Add the following 

(5.4 xx 10^-4) + (5.4 xx 10^-6)

5.454 xx 10^-4

400

Subtract the following and write in scientific notation 

(3.7 xx 10^-2) - (5.0 xx 10^-3)

3.2 xx 10^-2

400

(1.2 xx 10^-5)(4 xx 10^8)

Write in standard notation

What is

4.8 xx 10^3

 => 4,800 (the question asked for it in standard form. 

400

(6.14 xx 10^2) / (3.07 xx 10^-8)

Write in scientific notation.

What is

2 xx 10^10

 

400

The human eye blinks about

6.25 xx 10^6

 times each year. About how many times has the eye of a 14 year old blinked? Write answer in scientific notation.

What is 

8.7 xx 10^7

500

Add the following 

(4.7 xx 10^-2) + (3.2 xx 10^-3)

5.02 xx 10^-2

500

Subtract the following and write in scientific notation 

(8.45 xx 10^-3) - (3.1 xx10^-4)

8.14 xx 10^-3

500

(4.2 xx 10^5)(3.1 xx 10^2)

Write in scientific notation.

1.302 xx 10^8

500

(5.4 xx 10^3)/(2.7 xx 10^4)

Write in scientific and standard notation.

What is 

2xx10^-1  and 0.2

500

The US debt is approximately

13,000,000,000,000

There are about 331 million people living in the US. How much could each person pay for the US to be debt free? Express your answer in scientific notaiton.

This is a division problem.

$39,274 = 

3.927xx10^4