Rules to solve exponential expressions

The explanations and examples below on exponent rules follow on from the Power

Product Rule

Zero as an Exponent

Quotient Rule

Negative Exponents

The examples on simplifying exponential expressions show when and how the above exponent rules are used.

Step-by-step explanation:

Exponents: The Product Rule  

The product rule for exponents states that when we multiply exponential expressions having the same base, we can add the exponents and keep the base unchanged.

Zero as an exponent  

According to the zero exponent rule, any nonzero number raised to the power 0 equals 1.

Quotient rule for exponents

We make use of quotient rule when dividing exponents with the same base. The quotient rule for exponents states that if we divide exponents with the same base, then we can subtract the exponents and keep the base unchanged.

Negative Exponent Rule

We use the negative exponent rule to change an expression with a negative exponent to an equivalent expression with a positive exponent. The rule states that any nonzero number raised to a negative power equals its reciprocal raised to the opposite positive power. In other words, an expression raised to a negative exponent is equal to 1 divided by the expression with the sign of the exponent changed.

Simplifying Exponential Expressions - Putting it altogether  

We can simplify exponential expressions using a suitable combination of the rules and properties above.

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