r^4 x r^-2 x r^-6

1 answer

To simplify the expression r^4 x r^-2 x r^-6, we can combine the similar terms by adding the exponents:

r^(4 + (-2) + (-6))

Simplifying the exponents inside the parentheses:

r^(-4)

Therefore, r^4 x r^-2 x r^-6 simplifies to r^(-4).