Answer:
The integers are "closed" under addition, multiplication and subtraction, ... The rational numbers are "closed" under addition, subtraction, and multiplication
Step-by-step explanation:
Answer:
$80 billion
Step-by-step explanation:
From the graph, we have the following:
Required
Determine the difference in US and Denmark exports
The difference is calculated as thus:
This gives:
<em>Hence, the difference is $80 billion</em>
Answer:
ab
Step-by-step explanation:
Their profit made will be 4,420
This is because 0.60 x 1300 is 780
And the amount they will make by selling is $5200, because 1300 x 4
So we will do 5200 - 780, and that is the profit made- $4,420
