tolong jawab y no 2-5

2. 1/2 × 24 × 6=72 × 2= 144
=2.500 : 8 =312.5
=144×312.5=45.000

3.persegi=8×10= 80
lingkaran=1/2 ×3.14 ×4² =25.12
=80-25.12=54.88

4.a.30²
b.2×3.14×30=188.4
c.188.4×100=18.800,4 =180.004 M

5.2×2=4cm. ada 4 buah kotak
=4×4=16