Multiplying by which number is equivalent to finding 111%?

Name the most appropriate metric unit for each measurement

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet