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A product is the result of carrying out the mathematical operation of multiplication. When you multiply numbers together, you get their product. The other basic arithmetic operations are addition, subtraction and division; their results are the sum, the difference, and…
When you first undertake a study of the motion of particles in electric fields, there’s a solid chance that you have already learned something about gravity and gravitational fields. As it happens, many of the important relationships and equations governing…
Finite math and precalculus both refer to math before calculus. Finite mathematics, however, is a catch-all title representing preparatory math focusing on advanced math outside of calculus, while precalculus is more narrowly defined as the algebra knowledge necessary to perform…
Standard measurements include length, width, volume, weight and mass. Girth, however, is equally as important as those standard measurement calculations in a variety of applications and fields. Whether you’re a scientist studying tree growth or trying to send your friend…
What are we actually seeing as stars twinkle in the night sky? These balls of plasma and energy are a window into the past, as light from thousands or millions of years ago reaches our solar system and pierces through…
An elementary statistics class is a common requirement for a variety of bachelor’s degrees. This course teaches you about analyzing quantitative data, statistical distributions, and confidence intervals – which are very useful for research. It can be a very challenging…
Most everyone is aware of at least some of the differences between birds and mammals. Whereas birds have feathers, lack teeth and lay eggs, mammals have fur or hair for insulation, possess teeth and give birth to live young. Although…
Rounding numbers up or down is a way of approximating them when the additional accuracy is not needed. In particular, decimals accurate to several places can become unwieldy and difficult to remember, so in a complex calculation, you may want…
Energy, in the physical sciences, is the ability for a system to do work. Work is the force a system produces on another system over a distance. Therefore, energy is equal to the ability of a system to pull or…
Urethane is a term that refers to at least three different substances: ethyl carbamate, carbamate or polyurethane. While all of these substances are related by chemical compositions of nitrogen, hydrogen and oxygen molecules, they are distinct in their uses. Urethane…
