Here are the answers:
1) C
2) A
3) D
4) B
Answer:
55.13
Step-by-step explanation:
10×5.25 = 52.50
52.50+2.63= 55.13
Answer:add an equation to the magnitude
Step-by-step explanation:
apply a given equation to find the magnitude
4*10^5 where 5 is the unknown exponent

In the number line attached in my attachment,
The red line represents point :
The blue line represents point :
I hope it helps ~