Question

FORM Write the expression in exponential form. $$6 \cdot 6 \cdot 6 \cdot 6 \cdot 6$$

Short answer

The expression \(6 \cdot 6 \cdot 6 \cdot 6 \cdot 6\) in exponential form is \(6^5\).

Step-by-step solution

Identify Base and Exponent

In the expression \(6 \cdot 6 \cdot 6 \cdot 6 \cdot 6\), the repeated factor is '6'. So, '6' will be the base in exponential form. There are '5' instances of '6' multiplication, so the exponent will be '5'.

Write in Exponential Form

The base and exponent identified are used to write the expression in exponential form. Exponential form is expressed as 'base' raised to the 'exponent'. The base is '6' and the exponent is '5', so the expression in exponential form is written as \(6^5\).

Key concepts

Base and Exponent

When we talk about the base and exponent in mathematics, we're referring to two parts of an expression written in exponential form. The base is the number that is being repeatedly multiplied by itself, and the exponent tells us how many times this multiplication occurs. For instance, consider the number '6' in the given exercise. This number is the base since it's the one that repeats during the multiplication process.

Now, the number of times '6' is multiplied by itself is represented by the exponent, which in this case is '5'. Simply put, the exponent serves as a shorthand to express repeated multiplication. Instead of writing a long string of the same number multiplied over and over again, we use base and exponent to represent it compactly and efficiently.

Exponential Notation

Exponential notation is a method of representing numbers that makes it easier to write and work with very large or very small quantities. It is a powerful tool in mathematics that condenses the notation of repeated multiplication. When we convert a series of multiplications into exponential notation, we identify the base and then count how many times it appears as a factor to determine the exponent.

In the exercise provided, the expression is simplified using exponential notation by writing the number '6' as the base, followed by a caret (^), and then the exponent '5' to represent it as \(6^5\). This notation tells us that '6' is multiplied by itself '5' times. Mathematics often uses this compact form to represent very large numbers or to simplify calculations involving repeated multiplication.

Multiplication of Like Bases

Multiplication of like bases refers to a scenario where we multiply numbers that have the same base but different exponents. A fundamental rule when dealing with exponents is that when you multiply numbers with the same base, you keep the base and add the exponents. However, our exercise involves just one base with a single exponent.

It's useful to know that if we had an expression like \(6^2 \times 6^3\), we would add the exponents because the base (6) is the same, which would give us \(6^{2+3} = 6^5\). For students, mastering this rule of multiplication of like bases simplifies extensive calculations, as it prevents the need for performing each multiplication step by step and reduces potential errors in lengthy computations.