Hey, there I got these two problems wrong and need help with them! Please is you can help me I'd really appreciate it and thank you guys for all the hard work I appreciate it!

Question 1 2 pts When using signed integers, the decimal number -1 can be be represented in binary as O 111111 1111111111 1111111111111 any of the above Question 2 2 pts When using signed integers and in a 4-bit cell, the decimal number -7 can be be represented in binary as 1001 0111 1111 1010