Adding Scientific Notation
Subtracting
Scientific Notation
Multiply
Divide
Word Problems
100

Add the following (1.7 x 109) + (4.3 x 109)

6.0 x 109

100

Subtract the following and write in scientific notation (5.1 x 105) - (3.1 x 105)

2.0 x 105

100

(3.2 X 103)(5.1 X 10-7) What is the power of ten in your product?

10-4

100

(9.3 X 109) / (3.1 X 104) What do you do with the 9.3 and 3.1? Give the result.

Divide. 9.2/3.1 = 3

100

The speed of light is 3 x 108 meters/second. If the sun is 1.5x 1011 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 x 107) + (2.1 x 105)

1.721 x 107

200

Subtract the following and write in scientific notation (5.1 x 105) - (3.1 x 103)

5.131 x 105

200

(3.2 X 103)(5.1 X 10-7) What do you do with the exponents?

What is Add   10-4

200

(9.3 X 109) / (3.1 X 104) What do you do with the exponents? Give the result of the power of 10.

What is Subtract. 9 - 4 = 105

200

The speed of light is 3 x 108 meters/second. If the sun is 1.5x 1011 meters from earth, how many seconds does it take light to reach the earth? Write answer in scientific notation.

4.5 X 1019

300

Add the following 4.93 x 10-2 + 5.12 x 10-3

5.442 x 10-2

300

Subtract the following and write in scientific notation 6.55 x 107 - 4.3 x 106

6.12 x 107

300

(2 X 103)(3 X 104) Multiply and give your answer in Scientific Notation

6 X 107

300

(4.8 X 103) / (2 X 109) Write the quotient in scientific notation.

2.4 X 10-6

300

While looking through a microscope the cell is magnified 2.8 X 10-8 times. How small is the cell (standard form)?

What is 0.000000028

400

Add the following 5.4 x 10-4 + 5.4 x 10-6

5.454 x 10-4

400

Subtract the following and write in scientific notation (3.7 x 10-2) - (5.0 x 10-3)

3.2 x 10-2

400

(1.2 X 10-5)(4 X 108) Write the product in standard notation

What is 4.8 X 103 = 4,800

400

(6.14 X 102) / (3.07 X 10-8) Write the quotient in scientific notation.

2 X 1010 

400

The human eye blinks about 6.25 x 106 times each year. About how many times has the eye of a 14-year-old blinked? Write your answer in scientific notation.

8.7 X 107

500

Add the following (4.7 x 10-2) + (3.2 x 10-3)

5.02 x 10-2

500

Subtract the following and write in scientific notation (8.45 x 10-3) - (3.1 x 10-4)

8.14 x 10-3

500

(4.2 X 105)(3.1 X 102) Write the product in scientific notation.

1.302 X 108

500

(5.4 X 103) / (2.7 X 104) Write the quotient in both scientific notation and standard form.

2 X 10-1 and 0.2

500

The US debt is approximately 13 trillion dollars. There are about 13 million people living in the US. How much could each person pay for the US to be debt free? Round your answer to the nearest tenth.

4.3 X 104 or $43,000 per person.