Give the answer to the following calculation to the correct number of significant figures.
(5.0 × 10-4) - (6 × 10-5) = ?
A) 4.4 × 10-4
B) 4.4 × 10-5
C) 4 × 10-4
D) 4 × 10-5
E) 4.40 × 10-4
Correct Answer:
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