Question

Multiply. $$\left(p^{3}\right)\left(p^{4}\right)$$

Short answer

\(p^7\)

Step-by-step solution

Identify the Base and Exponents

First, recognize that both terms have the same base, which is 'p'. One term has the exponent 3 and the other has the exponent 4.

Apply the Product of Powers Property

When multiplying two powers that have the same base, you can add the exponents. Use the formula \(a^{m} \times a^{n} = a^{m+n}\).

Add the Exponents

Add the exponents 3 and 4 for base 'p': \(p^{3} \times p^{4} = p^{3+4}\).

Simplify the Expression

Calculate the sum of the exponents: \(p^{3+4} = p^{7}\).

Key concepts

Product of Powers Property

When learning about exponents, a fundamental rule to make computations easier is the product of powers property. This rule states that when you multiply two powers that have the same base, you can simply add the exponents to find the result. Essentially, you're just combining the number of times the base is used as a factor.

For instance, consider multiplying two powers of a common base such as \( p^3 \) and \( p^4 \). Instead of multiplying \( p \) by itself seven times, you can use the product of powers property: \( p^3 \times p^4 = p^{3+4} = p^7 \). It's a handy shortcut that simplifies expressions quickly, ensuring you can move through algebraic operations with ease.

Exponents and Powers

Exponents, also known as powers, represent the idea of repeated multiplication. An exponent tells you how many times to use the base as a factor in a multiplication. For example, \( p^3 \) means you multiply \( p \) by itself three times: \( p \times p \times p \).

Understanding how to manipulate exponents is essential in algebra. It allows you to simplify expressions that would otherwise be unwieldy. When you see a number raised to an exponent, remember, it's a shorthand notation that saves space and signifies repeated multiplication.

Simplifying Expressions with Exponents

Simplifying expressions with exponents is all about making them as concise as possible. Using properties such as the product of powers, quotient of powers, or power of a power can transform a complex-looking expression into a much simpler form.

Besides the product of powers property, there are other important rules to remember. For instance, any base except zero raised to the power of zero is one (\( a^0 = 1 \)), and to divide powers with the same base, subtract the exponents (\( a^m \div a^n = a^{m-n} \)). Simplification generally involves applying these rules strategically to arrive at the most straightforward expression possible.

Applying these methods not only makes the algebra more manageable but also helps to avoid mistakes when working with large expressions or when solving equations.