[tex]10 \div 20 = 0.5 \: and \: 9 \div 8 = 1.125[/tex]
Answer:
1800
Step-by-step explanation:
10√20 × 9√8
10 × 5√2 × 9 × 2√2
50√2 × 18√2
50 × 18 × 2 = 1800