Simplify 2 ^{n} *2 ^{n+2} *2 show work

Step 1. 2 ^n * 2 ^ n+2 * 2     The exponent is 1
step 2. 2 ^n * 2 ^n+2 * 2^1  Calculate the product
step 3. 2^n + n + 2 + 1        Collect the like terms and Calculate the sum
step 4. 2^2n + 3

2^2n + 3 

hope this helps :)