Question

Tolong dijawab 1-10 dan yg nomor sya sebutin pakai carannya 1,4,,5,6,7,8,10

terima kasih

Answer 1

No.7:15×15×15=3.375,4.a, pakai pohon faktor

Answer 2

1
9 × (100+16) = (9 × n) + (9 × 16)
9 × 116 = 9n + 144
9n = 1044 - 144
n = 100

3.D

4.A
Faktor 150 : 1,2,3,5,6,10,15,25,50,75,150
Faktor yg prima : 2,3,&5

5
15 -> 3×5
18 -> 2×3^2
21 -> 3×7
FPB = 3

6
12 -> 2^2 × 3
24 -> 2^3 × 3
36 -> 2^2 × 3^2
KPK
= 2^3 × 3^2
= 8 × 9
= 72

8
panjang sisi kubus
√225=15 cm
volume
=15×15×15
=3375

10
debit
= 600 / (1/2×60)
= 600 / 30
=20