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Exponent Notes Std. 2.0 Students understand and use rules of exponents. Multiplying Powers With Like Bases: For any rational number a, and for all whole numbers m and n, a a = ______ m n When multiplying numbers with the same base, you _________ the exponents. EX) x x x 3 4 ______ x ___ Dividing Powers With Like Bases: For any rational number a (except a = 0), and for all whole numbers m and n, am n _________ a When dividing numbers with the same base, you _______________ the exponents. x7 ______ x ___ EX) 3 x x Negative Exponents: For any rational number a (except a = 0), and for all whole numbers m and n, am 1 or 1 m __ a All negative exponents can be written as positive exponents by doing the reciprocal (flipping the number over) Ex) x 6 _____ Ex) 1 3 ___ x Exponent Notes Std. 2.0 Students understand and use rules of exponents. Multiplying Powers With Like Bases: For any rational number a, and for all whole numbers m and n, a a = ______ m n When multiplying numbers with the same base, you _________ the exponents. EX) x x x 3 4 ______ x ___ Dividing Powers With Like Bases: am For any rational number a (except a = 0), and for all whole numbers m and n, n _________ a When dividing numbers with the same base, you _______________ the exponents. x7 ______ x ___ EX) 3 x x Negative Exponents: For any rational number a (except a = 0), and for all whole numbers m and n, am 1 or 1 m __ a All negative exponents can be written as positive exponents by doing the reciprocal (flipping the number over) x Ex) 6 _____ Ex) 1 3 ___ x Exponent = 0 (Zero Power): 0 a 1 For any rational number a (except a = 0). Any number raised to the zero power equals _____ EX) 5 ____ 0 EX) a4 44 a ___ ____ 4 a a Raising a Power to a Power: m n m n For any rational number a, and for all whole numbers m and n, (a ) a When a power is raised to a power, you ________________ the exponents. Ex) (x ) x 9 3 ______ x ___ Ex) y ____ 5 6 Raising a Product to a Power: n n n For any rational numbers a and b, and for any whole number n, (ab) a b Distribute the exponent to each term. 3 4 14 34 4 ___ 3 2 Ex) (2x ) 2 x 2 x 16 ___ Ex) (3x ) ____ Raising a Quotient to a Power: a an For any rational numbers a and b (except b = 0), and for any whole number n, b bn 3 3 2m3 8m ___ x ____ Ex) Ex) 5 15 y n n n Exponent = 0 (Zero Power): 0 a 1 For any rational number a (except a = 0). Any number raised to the zero power equals _____ EX) 5 ____ 0 EX) a4 44 a ___ ____ 4 a a Raising a Power to a Power: m n m n For any rational number a, and for all whole numbers m and n, (a ) a When a power is raised to a power, you ________________ the exponents. Ex) (x ) x 9 3 ______ x ___ Ex) y ____ 5 6 Raising a Product to a Power: n n n For any rational numbers a and b, and for any whole number n, (ab) a b Distribute the exponent to each term. 3 4 14 34 4 ___ 3 2 Ex) (2x ) 2 x 2 x 16 ___ Ex) (3x ) ____ Raising a Quotient to a Power: a an For any rational numbers a and b (except b = 0), and for any whole number n, b bn 3 3 3 x 2m 8m ___ ____ Ex) Ex) 15 5 y n n n Practice from the textbook: Pg. 207 (#13-22, #35-38) Pg. 212 (#21-28) Pg. 215 (#10-24) Answers: