The following will ensure shopping cart and receipt price tokens display only 2 decimal places.
1. Locate the token that is displaying too many/repeating decimals
2. Replace token with the following convention: ${{toFixed [KEY] 2}}
Here are the most common variations of this token:
${{toFixed price 2}}
${{toFixed totalPrice 2}}
${{toFixed subTotal 2}}
${{toFixed cart.total 2}}
${{toFixed shippingPrice 2}}
NOTE: The closing number in the token indicates the number of decimal places that will display in the final price