Consider the following measured number.
640,000 m
If this measurement were made to the nearest km (± 1 km) ,how should the answer be expressed in exponential notation?
A) 6.4* 105 m
B) 6.40 * 105 m
C) 6.400 * 105 m
D) 6.4000 * 105 m
E) 6.40000 * 105 m
Correct Answer:
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