10
No, a billion is one thousand million so 500 million is only half a billion.
To find the product of 50 million and 50 billion 500, you would first convert the numbers into standard form. 50 million is 50,000,000 and 50 billion 500 is 50,000,000,500. Multiplying these two numbers gives you 2,500,000,000,000,000,000, which can also be expressed as 2.5 quintillion.
0.5
10
1000
1,000,000,000 divided by 20,000,000= 50
0.04
1.2
0.08
0.03
5
0.1613