1. 72,000
2. 20,000
3. 410,000
4. 26
5. 40
6. 50
7. 320,000 = 160,000 • 2
An example should help you understand
(3 + 2) + (8 +1)
= 9* + 1) + (3 + 2)
= 3 + (2 + 8 + 1)
= 2 + 3 + (1 + 8)
all of these have the same sum.
Answer:
A
Step-by-step explanation:
The product of two numbers with the same sign is positive.
Since the numbers in each pair have the same sign, the product will be positive.