4) Calculate both the signed and unsigned decimal representations for this binary integer UNSIGNED SIGNED 01110100. HEXADECIMAL MULTIPLY 1 16 256 DECIMAL 0 1 2 0 1 0 16 3 0 1 2 3 4 5 6 0 256 512 768 0 1 2 3 4 5 6 2 3 4 5 6 7 8 9 A 4 5 6 32 48 64 80 96 7 8 9 BINARY 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 112 128 144 7 8 9 10 11 12 7 8 9 10 11 12 1024 1280 1536 1792 2048 2304 2560 2816 10 11 12 13 14 15 D E 160 176 192 208 224 240 13 14 15 13 14 15 3072 3328 3584 3840 F