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# The Use of Superscripts and Subscripts in Algebra and Chemistry

Using Superscripts and Subscripts in Algebra and Chemistry Superscripts and subscripts are commonly used in mathematical equations and scientific formulas In algebra superscripts are primarily used while in science subscripts are primarily used Lets look at a few examples Multiplication in Algebra - Superscripts Multiplication in algebra is usually demonstrated by writing two or more expressions together without a multiplication symbol Example a x b is written ab Sometimes you may see a formula that is written ab4 The little raised number is called an exponent It indicates the number of times a quantity is multiplied by itself Therefore a x a is written a2 This is called the square of a It means that a is multiplied by itself If you want to multiply a x a x a the formula is written a3 This is called the cube of a If you wanted to multiply a x a x a x a the formula would be written as a4 A typical formula used to multiply an expression consisting of two or more terms by a single term or expression would look like this 5b2c2d3bd Chemical Compounds in Chemistry - Subscripts In chemistry chemical compounds have common names and are also represented by a formula Many of the common names of chemical compounds are so familiar to us yet the compound name sounds so scientific For example water is a chemical compound with which we are probably most familiar Its common name is water and it is represented by the formula H2O Laughing gas in another common name of a chemical compound Its compound name is nitrous oxide and is represented by the formula N2O Baking soda or sodium bicarbonate is represented by the formula NaHCO3 A compound which is not as familiar is ammonium hydroxide However when we look at the common name it really is one we might have used ammonia water It is represented by the formula NH4OH Since you

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