When counting a pile of coins, you can count them without counting them. For example, a penny weighs 2.5 grams. If this stacked weighed 2,500 grams, then that means this stack contains 1,000 pennies.  In dimensional analysis we do it this way:  2,500 grams x   1 penny = 1,000 pennies 2.5 grams By the way, a nickel weighs 5.00 grams, which is easy to remember (5 cents / 5 grams).

When counting a pile of coins, you can count them without counting them. For example, a penny weighs 2.5 grams. If this stacked weighed 2,500 grams, then that means this stack contains 1,000 pennies. In dimensional analysis we do it this way: 2,500 grams x 1 penny = 1,000 pennies 2.5 grams By the way, a nickel weighs 5.00 grams, which is easy to remember (5 cents / 5 grams).

So I prolly wouldn't do Obama...but cool nonetheless.

So I prolly wouldn't do Obama...but cool nonetheless.

I want this...keychains made from pennies from years important to you

Lucky Us Copper Keychain with THREE lucky pennies

I want this...keychains made from pennies from years important to you

The Lincoln Penny was first issued in 1909 to commemorate Abraham Lincoln's 100th birthday. It was the first American coin to bear a president's image on its face.

The Lincoln Penny was first issued in 1909 to commemorate Abraham Lincoln's 100th birthday. It was the first American coin to bear a president's image on its face.

diy coin table top - could I do this with H's coin collection?

DIY Penny Tiled Table

The Mama Crow: Copper Penny Backsplash- love the tile just below the pennies too.    Adhere pennies to a cloth mesh such as used for needlepoint.  Adhere the mesh to the wall and grout the pennies.

The Mama Crow: Copper Penny Backsplash- love the tile just below the pennies too. Adhere pennies to a cloth mesh such as used for needlepoint. Adhere the mesh to the wall and grout the pennies.

How cool is this?  Pennies arranged from most shine to most pantina.

Ombre Penny Art

How cool is this? Pennies arranged from most shine to most pantina.

Старым покрышкам вторую жизнь - идеи для детской площадки

Старым покрышкам вторую жизнь - идеи для детской площадки

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