b. √216
= √36x6
= 6√6
c. √605
= √121x5
= 11√5
d. √800
= √400x2
= 20√2
e. √5.000
= √2.500x2
= 50√2
f. √0,000121
= √121x10^-6
= 11 x 10^-3
g. √0,00000324
= √324x10^-8
= 18 x 10^-4
Baca Juga: Kunci Jawaban Bahasa Jawa Kelas 7 Halaman 2, Papan Panggonan Apa Sing Katon ing Gambar
h. 9√2 + √72 - √578
= 9√2 + √36x2 - √289x2
= 9√2 + 6√2 - 17√2
= (9 + 6 - 17)√2
= -2√2
i. 7√3 + √48 - √768
= 7√3 + √16x3 - √256x3
= 7√3 + 4√3 - 16√3
= (7 + 4 - 16)√3
= -5√3
j. 9√5 - √125 + √720
= 9√5 - √25x5 + √144x5
= 9√5 - 5√5 + 12√5
= (9 - 5 + 12)√5
= 16√5