Identify Base and Exponents: Identify the base and the exponents in (45)(42)3. The base is 4. The exponents are 5 for 45 and 2 for 42, which is then raised to the power of 3.
Simplify Exponents: Simplify (42)3 by multiplying the exponents. 42 raised to the power of 3 is 4(2∗3).