Answer :
1 Use Product Rule: {x}^{a}{x}^{b}={x}^{a+b}xaxb=xa+b
{n}^{2+2}n2+2
2 Simplify 2+22+2 to 44
{n}^{4}
answer is n4
{n}^{2+2}n2+2
2 Simplify 2+22+2 to 44
{n}^{4}
answer is n4