The table below shows immigration to the united states from three countries in three different years.

a person is randomly selected. find the probability that the person is from cuba, given that the person immigrated in 1990. round your answer to the nearest hundreth.

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50