When we use this = it means it is the exact
answer
When we use ≈ it means it is an estimated answer and not the exact answer Example 12.4684729572974729758328 ≈ 12
Answer:
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Step-by-step explanation:
hru and thank u for this question
Set up a proportion

x is the estimated number of returned phones. cross multiply to find x
12 x 2000 = 24000
350 x X = 350x
24000=350x
Divide
x=68.57
B.) 68
Answer:
Step-by-step explanation:
Diameter = 13/2 m
Radius = 13/4m