Answer:
The screen of phone B is wider because  is greater than 5.3.
  is greater than 5.3.
Step-by-step explanation:
We are given that 
The width of screen of phone A=5.3 cm
The width of screen of phone B= cm
 cm
We have to find the statement explains which phone has the wider screen.
The width of screen of phone B= cm
 cm
The width of screen of phone B= cm
 cm
The width of screen of phone B=5.33 cm
Now, we make first like decimal number and then  we will compare.
Now, write zero at end of number in 5.3 
Then, the number becomes 5.30 .
The hundredth part 3 in  5.33 is greater than hundredth part 0 of 5.30.
Therefore, 5.33 >5.30
Hence, the screen of phone B is wider because  >5.3.
 >5.3.