Adding Scientific Notation
Subtracting
Scientific Notation
Scientific Notation
Multiply
Divide
Word Problems
100
(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)
1.632 x 10-3
100
What do you do with the 9.3 and 3.1?
Divide 9.3 and 3.1
Equals 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?
Multiply.
200
(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 10^3)(5.1 X 10^-7) What do you do with the exponents?
Add
200
What do you do with the exponents?
Subtract. 9 - 4 = 5
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
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)
6 X 107
300
Write 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?
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
(5.2 X 102)(2.1 X 103)
Write your answer in standard form.
1,092,000
400
Write in scientific notation.
What is 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 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.
1.302 X 108
500
Write in scientific and standard notation.
What is 2 x 101
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.
What is (1.3 X 1013) / (3.0 X 108)
4.3 X 104 or $43,000 per person.