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Exponents and rational expressions

Question 1 of 3

Know the idea

The expression

x^{4} \cdot x^{4}

is equivalent to

x^{n}

, where

x > 0

. What is the value of

n

Worked example

When multiplying powers with the same base, add the exponents:

4 + 4 = 8

Video walkthrough

Use the existing worked examples and practice while this walkthrough is being prepared.

The expression

x^{5} \cdot x^{7}

is equivalent to

x^{n}

, where

x > 0

. What is the value of

n