Which equation has exactly ONE solution?
2 answers:
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We need to work with the same units, so first, we convert 1 km to cm.
1 km = 1000 m
1 m = 100 cm
1 km = 100,000 cm
Now we divide 100,000 cm by 5 cm.
Answer: It will take 20,000 years.
1 km = 1000 m
1 m = 100 cm
1 km = 100,000 cm
Now we divide 100,000 cm by 5 cm.
Answer: It will take 20,000 years.