Translate MIPS Assembly Instruction into Machine Instruction

1) Write the following instruction in Hex: ADDU $t0, $s4, $t3

2) Write the following instruction in Hex: ADDU $s2, $s3, $t4

Machine to MIPS

3) Decode the following instruction: 0x36890010

4) Decode the following instruction: 0x25b40005