and can you put solution please thank you

Tutorial Assignment 1) Change the following IPv4 addresses from binary notation to dotted-decimal notation a. 10000001 00001011 00001011 11101111 b. 11000001 10000011 00011011 111111 2) Change the following IPv4 addresses from dotted-decimal notation to binary notation a. 111.56.45.78 b. 221.34.7.82 3) Find the error, if any, in the following IPv4 addresses. a. 111.56.045.78 b. 221.34.7.8.20 c. 75.45.301.14 d. 11100010.23.14.67