Problem preview

N-Q.3 Warmup M1-049-A09-V02

Report quantities with accuracy appropriate to measurement limitations.

Report a calculated measurement using units and precision that fit the given measurements

Problem

Calculate the area of a \(4.2~m~by~3.1~m\) rectangle and round it to the nearest tenth of a square meter. Show the unit product, raw area, rounding decision, and final report.

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units = m·m=m²; raw area = 4.2·3.1=130.2 m²; rounding = hundredths digit 2 leaves tenths 2; report = 130.2 m²

units = m·m=m²; raw area = 4.2·3.1=13.02 m²; rounding = nearest-tenth policy is ignored; report = 13.02 m²

units = m·m=m²; raw area = 4.2·3.1=13.02 m²; rounding = hundredths digit 2 leaves tenths 0; report = 13.0 m²

units = m·m=m²; raw area = 4.2+3.1=7.3 m²; rounding = hundredths digit 3 leaves tenths 3; report = 7.3 m²

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Curriculum context

Course: Math I
Standard: N-Q.3
Category: Number and Quantity
Domain: Quantities
Objective: Report quantities with accuracy appropriate to measurement limitations.
Problem type: Report a calculated measurement using units and precision that fit the given measurements