tolong dijawab ya..

6. 28 < 29
7. ( 27 : 3 ) .... ( 17 - 15 )
= 9 > 2

6) 28 ... √841 = 28 ... 29 = <

7)√729 ÷ √9 ... √(289-225)
    = 27 ÷ 3 ... √64
    = 9 ... 8 = >

8)√225 x √81 ÷ √25 ... √(363 + 366)
   = 15 x 9 ÷ 5 ...  √729
   = 21 ... 27 = <