Answer:
Step-by-step explanation:
2kg/m² convert to g/100cm²
1 kg=1000 g
2kg= ???
2*1000=2000kg
m ⇒ 100cm
m² ⇒ 10000 cm²
2kg/m²=2*1000/(10000/100) cm²
=2000/100 cm²
<h2>4- 250kg/hectare</h2>
250*1000=250000
1 hectare=10000 m²
250000/10000 g/m²
Z divided by eight minus 9