In Science

# Why are there so many different types of 1982 pennies and how do you tell them apart?

Answer . Between changing the composition of the US one-cent coin (often referred to as a "penny," even though the word has never appeared on the US coin) and experimenting (MORE)

# What Is A Type 2 Penny?

Type 2 pennies are typically more valuable because of some error onthe penny. A type 2 Indian head penny are the ones minted from 1886to909 and the last feather of the headdre (MORE)

# How many pennies in a roll of pennies?

There are fifty coins in a roll of US one cent coins, casually called pennies.

# What type of mixture is a penny?

A penny is not made up of a mixture. This is because no part of thepenny can be physically separated.

# Which type of soda can clean a penny?

A coke will clean a real penny. We had this one in HS chemistry all those decades ago. It will dissolve the penny. I don't know about the current cokes or the current penny. I (MORE)

# A pre-1982 penny has a mass of 3.1 grams and a post 1982 penny has a mass of 2.5 grams How many pennies of each type are there if the mass of 20 of them is 61.16 grams?

x + y = 20 3.1x + 2.5y = 61.16 so from the first equation move the y to the other side x = -y + 20 Substitute into the second equation 3.1(-y + 20) + 2.5y = 61.16 -3.1y + 62 (MORE)

# Type of penny minted in 1970?

The last Australian Penny minted prior to the changeover to decimal currency was minted in 1964.
In Science

# What type of metal is in a 2003 penny?

If it is a US cent, it is zinc with a very thin coating of copper.
In Apples

# How many different types of pennies are there in the US?

I have 5 different pennies sitting in front of my face so i believe there are 5 different types of pennies in the USA. the answer is there is only one type of penny in t (MORE)

# How many pennies are in 9 pounds of pennies?

It depends on whether you're referring to "pound" as weight or currency, which country you're referring to, and what date the pennies are. British pennies If you mean how (MORE)