751,447 rounds to 800,000, because it has if you have 5 or over you round up. As for 817,245 it rounds to 800,000, because if you have 4 or less then you round down.
Commutative property is one of the basic properties of numbers. Numbers can be added or multiplied in any order because changing the order of the number doesn't change the sum or the product.
Answer: The answer for this question is C.
Answer:
x=1/4 , y=-1/4. You can confirm this by substituting the numbers in.
Step-by-step explanation: