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DaveBob:
The Ruiz family is exchanging euros for US dollars. The exchange rate is 1 euro equals 1.35261 USD. Since the Ruiz family knows that USD are stated to the nearest hundredth of a dollar, they used the conversion ratio. Will this give the Ruiz family the correct
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Mercury:
they cannot use the rounded exchange rate 1.35. rounding off decimals before applying the conversion will result in a loss of precision that will affect the final result. to confirm this, you could test converting 11 euros to dollars, using the full exchange rate 1.35261, and the rounded exchange rate 1.35 to see the difference for yourself
ImSonique:
wow thank you!
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