A couple of ancient civilizations invented number systems with place values. The oldest was the Mayan system with 60 at its base, around 3400 BC. The Egyptians invented a 10 base system in 3100 BC. The modern place value system also has 10 as its compression figure.
The national average cost for painting new construction interiors is $3.65 per sq. ft. (heated floor space) that does not include casework like cabinets vanities etc. Repaints do not require the same volume of paint but do have a different set of challenges.
1 An estimate for a 3500 square foot home is $4500-$7500. 2  The price will depend on the contractor and the quality of paint and other supplies used. 3  For a rough estimate of how much house painting will cost you visit CertaPro Painters Exterior House Painting Estimator. . For a rough estimate of how much house painting will cost you visit CertaPro Painters Exterior House Painting Estimator. . 2  Paint will cost from $20-$50 per gallon.