How to Write Exponents: 14 Steps
1. Introduction to exponents: Understand that the exponent is a mathematical notation used to express that a number or variable is being multiplied by itself a specified number of times.
2. Base and exponent: Identify the two parts of an exponential expression – the base and the exponent. The base is the number or variable being multiplied, while the exponent is a small, raised number that represents the count of repeated multiplication.
3. Basic notation: Write the base followed by the exponent as a small superscript number on its upper right side. For example, if you want to express 2 raised to the power of 3, write it as 2^3.
4. Positive integer exponents: When working with positive integer exponents (e.g., 2^3), simply multiply the base by itself for the exponent’s amount of times (2 * 2 * 2 = 8).
5. Negative integer exponents: When dealing with negative integer exponents (e.g., 2^-3), take the reciprocal of the base raised to its positive counterpart (1 / 2^3 = 1/8).
6. Fractional exponents: To find fractional exponents, calculate both numerator and denominator as separate exponents (e.g., 8^(2/3) = ∛(8^2)).
7. Zero as an exponent: Remember that any nonzero base raised to an exponent of zero equals one (e.g., 5^0 = 1).
8. Product rule: If multiplying bases with same exponents, add their exponents and keep their base (e.g., x^3 * x^4 = x^(3+4) = x^7).
9. Quotient rule: When dividing exponential expressions with like bases, subtract their exponents and keep their base (e.g., a^5 / a^2 = a^(5-2) = a^3).
10. Power rule: If an exponent is taken to another exponent, multiply the exponents (e.g., (x^3)^4 = x^(3*4) = x^12).
11. Distributive property: When your base is a product or quotient itself raised to an exponent, distribute that exponent to each expression within parentheses (e.g., (ab)^2 = a^2 * b^2).
12. Simplification and solving: In algebraic equations, remember to use the rules above to simplify and solve problems that involve exponents.
13. Inequalities and graphing: Understand how exponents affect inequalities and their utility in polynomial functions for graphing purposes.
14. Practice and mastery: Continuously practice writing exponents and using various exponent rules in complex mathematical problems to develop proficiency in this essential mathematical skill.