X the average distance from the earth to the moon is 3.844*10^8 meters. if the length of an average pencil is1.8^-1 meters approximately how many pencils woul

Question

X the average distance from the earth to the moon is 3.844*10^8 meters. if the length of an average pencil is1.8^-1 meters approximately how many pencils would need to be connected together to reach the moon. Use appropriate prescion in your answer

Answer 1

3.844 x 10⁸ / 1.8 x 10^-1          

2.135555 x 10⁹

 

Using significant digits

 

2.1 x 10⁹