The wavelength of red light is about 0.0000076 meters. Write this number in scientific notation.
What is 7.6 x 10^-6
500
If you flip 5 coins, the odds that they will all land on heads is 2^-5. What is this number as a fraction?
What is 1/32
500
There are about 5 x 10^10 white blood cells and about 500 times as many red blood cells in a human's bloodstream. Find the number of red blood cells. Write your answer in scientific notation.
What is 2.5 x 10^13
500
The mass concentration of a solution is 2^-5 grams in one liter of water. What would the concentration be if the same mass were instead dissolved in 2^3 liters of water? Write your answer as a power of 2.
What is 2^-8 g/L
500
The average distance from Earth to the Moon is 3.844 x 10^5 km. This distance is 2.57 x 10^-3 times the average distance from Earth to the Sun. What is the average distance from Earth to the Sun?