tolobg dibantu kk? pake cara semuanya

13) r = 14 dm
t = 20 dm
V = π × r² × t
= 22/7 × 14 × 14 × 20
= 12.320 dm³
= 12.320 liter (C)

14) x = (25 + 35 + 42 + 20 + 18 ) / 5
x = 140 / 5
x = 28 ( B)

15) tertinggi = 900.000
terendah = 250.000
selisih = 900.000 - 250.000
= 650.000 (C)