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Scientific Notation
Integers
Operations
Operations 2
Word Problems
100

Write the following number in scientific notation 0.0000032

What is 3.2 X 10^-6

100

What is the difference ?

4 - (-2) + 5

100

(9 X 10^9) / (3 X 10^4) What do you do with the 9.3 and 3.1?

3 x 10 ^ 5

100
(9.3 X 10^9) / (3.1 X 10^4) What do you do with the exponents?
What is Subtract. 9 - 4 = 5
100
While looking through a microscope the cell is magnified 2.8 X 10^-8 times. How small is the cell?
What is 0.000000028
200

When you have a positive exponent, you move the decimal to the _______________.

What is right.

200

When a positive and negative sign sit next to each other, what happens?

The negative eats the positive or they subtract

200

(2 X 10^3)(3 X 10^4) Write in Scientific Notation

What is 6 X 10^7

200

(4.8 X 10^3) / (2 X 10^9) Write in standard form.

What is 2.4 X 10^-6

200
The human eye blinks about 6.25 x 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 X 10^7
300

What is 7.7 X 10^5 in standard notation

770,000

300

Find the sum 

4 + (-2) -3 + 5

4

300

(1.2 X 10^-5)(4 X 10^8) 

Solve and Write in standard form

What is 4.8 X 10^3 => 4,800

300
(6.14 X 10^2) / (3.07 X 10^-8) Write in scientific notation.
What is 2 X 10^10 Note 2 - -8 = 10 is the same as 2 + 8 = 10 because of SCC (Same Change Change)
300
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.
What is (1.3 X 10^13) / (3.0 X 10^8) Not 0.43 X 10^5 but it should be 4.3 X 10^4 or $43,000 per person.
400

What is 6.41 X 10^-6 in standard notation

0.00000641

400

Two numbers have different signs. What are the two steps to follow when finding the sum of these integers

1. subtract the numbers (large - small)

2. Keep the sign of the larger number

400
(4.2 X 10^5)(3.1 X 10^2) Write in scientific notation.
What is not 13.02 X 10^7 but it should be 1.302 X 10^8
400
(5.4 X 10^3) / (2.7 X 10^4) Write in scientific and standard notation.
What is 2 X 10^-1 and 0.2
400
The speed of light is 3 x 10^8 meters/second. If the sun is 1.5x 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 X 10^19