2016­11­14 Intro Scientific Notation Word Problems.notebook
November 14, 2016
Monday, 11/14/16
Do Now:
- Take out HW
- Take out notes
- Copy tonight's HW
Finish Classwork
Some key phrases for applications
Add
Multiply
Subtract
Divide
2016­11­14 Intro Scientific Notation Word Problems.notebook
Homework Questions?
1. The table below shows the population of the 3 largest
countries in North America. Find the total population.
November 14, 2016
2016­11­14 Intro Scientific Notation Word Problems.notebook
November 14, 2016
Applying Scientific Notation Operations!
1. Read problem.
2. Underline phrase that helps us determine which
operation to use.
3. Determine your answer.
4. Make sure number is in proper scientific notation!
45.67 x 10
-8
.00234 x 10
5
2. When the sun orbits around the Milky Way, it travels
14
2
2.025 x 10 kilometers. The sun does this for 2.25 x 10 times in
a year. How many kilometers does the sun travel in a year?
2016­11­14 Intro Scientific Notation Word Problems.notebook
November 14, 2016
4
3. Anthony has 6.45 x 10 dollars in his bank account. He also has
3
4.2 x 10 dollars in bills that have to be paid by the end of the
month. How much will Anthony have after paying off his debt?
For 4 - 11, Multiply or divide and leave answer in proper scientific
notation.
9
12
4. (1.8 x 10 ) (6.78 x 10 )
21
5. 8.4 x 10
14
4.2 x 10
-21
6
6. (5.092 x 10 ) (3.38 x 10 )
17
7. 3.46 x 10
9
2 x 10
10
8. A new born baby has about 2.6 x 10 cells. An adult has
3
1.9 x 10 times as many cells as a newborn. About how many
cells does an adult have?
2016­11­14 Intro Scientific Notation Word Problems.notebook
November 14, 2016
-2
9. The edge of a perfect cube measures 3.5 x 10 meters. What
is the volume of the cube if volume is found by multiplying the
3
length by itself 3 times? (V = s )
10
10. The smallest state is Rhode Island with an area of 2.9 x 10
2
square ft. The largest state is Alaska whose area is 5.5 x 10
times the area of Rhode Island. What is Alaska's area?
5
11. The population of Hopewell, NY is 2.2 x 10 people. The
12
City of Poughkeesie has a population of 9.46 x 10 . How many
times more people live in Poughkeepsie than Hopewell?
12. How many more people live in France than Australia?