MIPS Programm (Why is $t3 = 0x0000 0010 )

Can someoe help me understand why $t3 = 0x00000010

.data   
vec: .word 8, 12, 16, 19, 2009, 0, 0, 0, 0, 0

.text   
main: lw $t1, vec  
lw $t2, vec+4   
lw $t3, vec($t1)   
lw $t4, vec+4($t3

Because that lw $t1, vec at the beginning loads the first word at vec into $t1, i.e. 8.

lw $t3, vec($t1) then loads the word at vec+$t1, i.e. vec+8. An offset of 8 gives you the third word, since each word is 4 bytes. And the third word at vec is 16, which in hexadecimal notation is 0x10 (those six leading zeroes are of no importance).