tolong di jawab secepatnya ya kaka/abang

2. 27+64+125=216
3. r x r x r
= 7 x 7 x7
=343
maaf klo salah dan cuma dua

1. ( 5 × 4 ) ² + 10 ² 20 ² + 100 400 + 100
------------------------ = ------------------ = ------------------
3³ + 4 ² 9 + 16 25

500
= -------- = 20
25

2. 3³ + 4³ × 5³ = 27 + 64 × 125 = 8027

3. Dik : panjang rusuk 7 cm
Dit : berapa volumenya ( dalam cm³ )
Jwb : volume kubus = 7 cm × 7 cm × 7 cm
= 343 cm ³
Jadi, volume kubus tersebut adalah 343 cm³

4. 70 80 100 FPB : 70 : 2 × 5 × 7
/\ /\ /\ 80 : 2⁴ × 5
2 35 2 40 2 50 100 : 2² × 5²
/\ /\ /\ FPB : 2 × 5 = 10
5 7 2 20 2 25
/\ /\
2 10 5 5
/\
2 5

5. 200 250 300 KPK : 200 : 2³ × 5²
/\ /\ /\ 250 : 2 × 5³
2 100 2 125 2 150 300 : 2² × 5²
/\ /\ /\ × 3
2 50 5 25 2 75 KPK : 2³ × 5 ³ × 3
/\ /\ /\ : 8 × 125 × 3
2 25 5 5 5 15 = 3000
/\ /\
5 5 3 5