Answer:
Explanation:
One way to do this is to fist convert to base 10, do the calculation , then convert back to base 2.
11 base2 = 2 + 1 = 3 base10.
111 base2 = 4 + 2 + 1 = 7
1010 base2 2 = 8 + 0 + 2 + 0 = 10
3 x ( 7 + 10)
= 3 * 17
= 51.
51 base10 = 32 + 16 + 0 + 0 + 2 + 1
= 110011