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Evgesh-ka [11]
3 years ago
11

The diameter of a penny is about 7.9 x 10^-5 km. It would take about 2.1 x 10^9pennies

Mathematics
1 answer:
KIM [24]3 years ago
6 0

Answer: 165,900 km

Step-by-step explanation:

diameter is a straight line between two points on the circumference of a circle that passes between the center of the circle.

so if a penny has a diameter of 7.9 x 10^-5 km, and when placed end to end will require 2.1 x 10^9 pennies to circle the equator once, that means;

the approximate length of the equator will be:

7.9 x 10^-5 km x 2.1 x 10^9 pennies

= 165,900 km

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