900,000+80,000+500+7 is 980,507
Answer:

Step-by-step explanation:

Answer: 1
Explanation: anything to the power of 0 is 1 so if it is x to the power of 0 it would be 1
Does it tell you what (x) stands for
Answer:
Option A
Step-by-step explanation:
Thisbis because when two of them are hanged on the same side it means that it's addition. (Addition of weight)