4. Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by twenty-one percent. The circumference of the Earth is 24,901 miles at the Equator. What was Columbus' estimate of the Earth's circumference? Round your answer to the nearest mile.
3 answers
0.79 * 24901 = ?
19,671.79
Yes. Rounded it's 19,672 miles.
1 answer