I need help with a unit test in science can anyone help

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius