If a tiny marble has a radius of 0.25mm how many marbles can be lined up across the circumference of the earth, distance of 24900 miles?

Answer : The number of marbles lined up across the circumference of the earth can be, marbles

Explanation :

First we have to calculate the diameter of tiny marble.

r = radius of marble = 0.25 mm

Now we have to calculate the number of marbles can be lined up across the circumference of the earth.

Given:

Circumference of the earth distance =

conversion used:

Number of marbles can be lined up = marbles

Thus, the number of marbles lined up across the circumference of the earth can be, marbles

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