(4,000,000)· (20,000)= 

To calculate (4,000,000) · (20,000), you can simplify the multiplication by breaking it down. First, consider that 4,000,000 is 4 multiplied by 1,000,000 and 20,000 is 20 multiplied by 1,000. So, the multiplication can be rewritten as (4 × 20) × (1,000,000 × 1,000) = 80 × 1,000,000,000 = 80,000,000,000. That's 80 billion! Now, let's think about this in real life. If you were to invest $4 million and earn a return of $20,000 each year, after 20 years, you'd find yourself with a whopping total investment return of $80 billion. Talk about money making money!