The greatest possible error is 0.5 feet
Answer:
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Step-by-step explanation:
Answer:

Step-by-step explanation:
We need to find 
We know that √-1 = i
Adding -49 and -4 and solving

Since 53 is not a perfect square so our answer is:

The answer is 1.5
1.2=1.0
1.3=1.1
1.4=1.2
1.5=1.2