Mathematics, 07.11.2020 22:30 andy5843
Using the benchmarks of 0, One-half, and 1, is 12.5 a reasonable estimate for the sum of 9.3 + Two and four-fifths?
don't say anything stupid pls (i will report u)
answer choices
No, 12.5 is not a reasonable estimate, because 9.3 rounds to 9 and Two and four-fifths rounds to Two and one-half. The estimate should be 11.5.
No, 12.5 is not a reasonable estimate, because 9.3 rounds to 9 and Two and four-fifths rounds to 3. The estimate should be 13.
Yes, 12.5 is a reasonable estimate, because 9.3 rounds to 9.5 and Two and four-fifths rounds to 3. The estimate should be 12.5.
Answers: 1
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Using the benchmarks of 0, One-half, and 1, is 12.5 a reasonable estimate for the sum of 9.3 + Two a...
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