Scientific Notation
When you write in scientific notation, you can only have ______ number to the left of the decimal.
What is one.
When you have a negative exponent, you move the decimal to the _______________.
What is left.
Multiply: (3.2 X 10^3)(5.1 X 10^-7)
What is Multiply. 1.632 x 10 ^-3
(9.3 X 10^9) / (3.1 X 10^4) What do you do with the 9.3 and 3.1?
What is divide. 9.2/3.1 = 3
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? Will you add, subtract, multiply, or divide the scientific notation numbers?
What is divide.
Write in scientific notation: 0.0000032
What is 3.2 X 10^-6
When you have a positive exponent, you move the decimal to the _______________.
What is right.
(3.2 X 10^3)(5.1 X 10^-7) What do you do with the exponents?
What is Add. 3 + -7 = -4
(9.3 X 10^9) / (3.1 X 10^4) What do you do with the exponents?
What is Subtract. 9 - 4 = 5
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 5 X 10^2
Write in scientific notation: 0.004082
What is 4.082 x 10^-3
Write in standard form: 9.0123 X 10^-2
What is 0.090123
(2 X 10^3)(3 X 10^4) Write in Scientific Notation
What is 6 X 10^7
(4.8 X 10^3) / (2 X 10^9) Write in scientific notation.
What is 2.4 X 10^-6
While looking through a microscope the cell is magnified 2.8 X 10^8 times. How small is the cell? Write it in standard from and scientific notation
What is 0.000000028 or 2.8 X 10^-8
Write in scientific notation: 770,000
What is 7.7 X 10^5
Write in standard form: 4.2 X 10^-4
What is 0.00042
(6.14 X 10^2) / (3.07 X 10^-8) Write in scientific notation.
What is 2 X 10^10
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 8.75 X 10^7
Write in scientific notation: 0.00000641
What is 6.41 X 10^-6
Write in standard form: 8.256 X 10^5
What is 825,600
(4.2 X 10^5)(3.1 X 10^2) Write in scientific notation.
What is 1.395 X 10^8
(5.4 X 10^3) / (2.7 X 10^4) Write in scientific and standard notation.
What is 2.25 X 10^-1 and 0.225
The US debt is approximately 13 trillion dollars. There are about 300 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.