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 do you do with the 3.2 and 5.1?

What is Multiply. 3.2 X 5.1 = 16.32 

16.32 x 10-4

1.632 x 10-3

100

(9.3 X 109) / (3.1 X 104) 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 x 108 meters/second. If the sun is 1.5 x 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 105)

5.131 x 105

200

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

What is Add. 3 + -7 = -4 

200

(9.3 X 109) / (3.1 X 104) What do you do with the exponents?

What is Subtract. 9 - 4 = 5

200

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

What is 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) Write in Scientific Notation

What is 6 X 107

300

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

What is 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?

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 10^8) Write in standard notation
What is 4.8 X 10^3 => 4,800
400

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

What is 2 X 1010 

Note 2 - -8 = 10 is the same as 2 + 8 = 10

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 answer in scientific notation.

What is 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 in scientific notation.

What is not 13.02 X 107 

but it should be 1.302 X 108

500

(5.4 X 103) / (2.7 X 104) Write in scientific and standard notation.

What is 2 X 10-1 

and 0.2

500

The US debt is approximately 13 trillion dollars. There are about 12 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.

What is (1.3 X 1013) / (1.2 X 107

 1.0833 X 10^12 or $1,083,333.33 per person.

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