Mathematics, 01.12.2021 01:00, Asterisk

Katrina wants to express 7.271 as a decimal. She writes n= 7.271 She subtracts this equation from a second equation. Which equation should she use as the second equation?
10n =72.71O
100n = 727.17
1,000n = 7,271.71
10,000n = 72,717.17

Answers: 3

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Katrina wants to express 7.271 as a decimal. She writes n= 7.271 She subtracts this equation from a...