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A dollar bill weighs 1 gram, and a penny weighs 25 decigrams. How much do a dollar bill and a penny weigh together?
2 answers:
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Answer by JKismyhusbandbae: expression 2 and expression 1
Look at the four expressions. Simplify any expressions that can be simplified to see which two are equivalent.
8v × 30v = ( 8 × 30) × ( v × v) =
Since expression 2 can be simplified to expression 1, they are equivalent.