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05 Feb 2026, 22:28
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
65% (01:47) correct
35%
(01:57)
wrong
based on 116
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The total area of a certain city is 3.7 x 10^12 square inches. Which of the following is the closest approximation of the area of the city in square miles? (1 square mile is approximately 4 billion square inches)
A. 800 square miles
B. 900 square miles
C. 9,000 square miles
D. 10,000 square miles
E. 9 million square miles
A. 800 square miles
B. 900 square miles
C. 9,000 square miles
D. 10,000 square miles
E. 9 million square miles
06 Feb 2026, 00:14
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Total Area = 3.7 *10^12 sq inches
1 sq mile is approx 4 billion sq inches = 4 * 10^9 sq inches
Set up the conversion:
Area in sq miles = [ 3.7 * 10^12 ] / [ 4 * 10^9] = 0.925 * 10^3 = 925 square miles
The value 925 is closest to 900.
Correct Answer: B
1 sq mile is approx 4 billion sq inches = 4 * 10^9 sq inches
Set up the conversion:
Area in sq miles = [ 3.7 * 10^12 ] / [ 4 * 10^9] = 0.925 * 10^3 = 925 square miles
The value 925 is closest to 900.
Correct Answer: B
06 Feb 2026, 00:38
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1 square mile = 4 * 10^9 square inches
3.7 * 10^12 / 4 * 10^9
37 * 10^2 / 4
3700 / 4 = 925
but we need approximate ans so
900
3.7 * 10^12 / 4 * 10^9
37 * 10^2 / 4
3700 / 4 = 925
but we need approximate ans so
900
ExpertsGlobal5
