Darragh has a golden eagle coin in his collection with a mass of 13.551 g. an uncirculated golden eagle coin has a mass of 13.715 g. how much mass has darragh’s coin lost?

The mass lost by Darragh's coin is 0.164 g

Solution:

Given that Darragh has a Golden Eagle coin in his collection with a mass of 13.551 g

An uncirculated Golden Eagle coin has a mass of 13.715 g

To find: mass lost by Darragh's coin

From given question,

Darrangh has coin of mass = 13.551 g

Golden Eagle coin mass = 13.715 g

Darrangh's coin lost mass = 13.715 - 13.551 = 0.164

Thus mass lost by Darragh's coin is 0.164 g

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.