The museum of fine arts decides to expand its collection of European, Latin American and African art. After reviewing their current collection, the museum decides to purchase a total of 78 pieces. The curator wants 18 more pieces of African Art than Latin American Art. She wants 15 fewer pieces of European art than Latin American Art. how many of each

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.