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The first reason is that the copper oxidizes. That gives them a dirty or dark look. This is caused by the oils from the hands of people that handle them. Other things would include being dropped onto the ground and all sorts of substances. Contact with dissimilar metals can cause corrosion as well.
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Earn +20 ptsQ: Why are there dirty pennies?
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Continue Learning about Math & Arithmetic
With only pennies and dimes how many ways can you make one dollar?
Each Line is a Different Way (11 Ways)100 Pennies & 0 Dimes90 Pennies & 1 Dimes80 Pennies & 2 Dimes70 Pennies & 3 Dimes60 Pennies & 4 Dimes50 Pennies & 5 Dimes40 Pennies & 6 Dimes30 Pennies & 7 Dimes20 Pennies & 8 Dimes10 Pennies & 9 Dimes0 Pennies & 10 Dimes
If there are 100 pennies in a dollar how many pennies are in 1.25?
125 pennies
How many pennies is equal to 100?
100 pennies = 100 [pennies].
How pennies are in a one fourth a dollar?
There are 100 pennies in 1 dollar.Therefore: 100 ÷ 4 = 25 pennies.
How many pennies equal a pound of pennies?
About 181 pennies per pound.
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