A few days ago
I <3 My Hamster Smokey!

How is it possible for pennies made before 1982 and after to have diff. densites?

Please help. I dont get this.

Top 3 Answers
A few days ago
Anonymous

Favorite Answer

maybe they used a different material to make them
0

A few days ago
Soon2BMrsB
I do believe they used a different material to make them. I think I saw this on Jeopardy tonight. 😀 Before that time, they used 100% copper, and now they use like 98% zinc and only 2% copper. Look into the different matierials used to make them.

Good luck!

0

A few days ago
night_taker_1999
Manafactured using a different mix of metals
0