Substitute n with 4: We have the equation n4=1. We need to determine if substituting n with 4 makes the equation true.Substitute 4 for n in n4=1.Equation after substitution: 44=1
Simplify 44: Simplify 44.44=1
Verify solution: We found that 44 equals 1, which is the same as the right side of the equation.Since 1=1 is true, n=4 is indeed a solution to the equation n4=1.