2.7 [5] Show how the value Oxabcdef 12 would be arranged in memory of a little-endian and a big-endian machine. Assume the data is stored starting at address 0. 2.8 [5] Translate Oxabcdef12 into decimal. 2.12 Assume that registers $80 and $51 hold the values 0x80000000 and OxD0000000, respectively. 2.12.1 [5] What is the value of $t0 for the following assembly code? add $t0,$50, $51