Subjects arithmetic

Rounding Tenths 14E36D

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1. **State the problem:** Round each given number to the nearest tenth. 2. **Recall the rule for rounding to the nearest tenth:** Look at the hundredths place (the second digit after the decimal point). - If the hundredths digit is 5 or greater, round the tenths digit up by 1. - If the hundredths digit is less than 5, keep the tenths digit the same. 3. **Apply the rule to each number:** **a.** 4.381 - Tenths digit: 3 - Hundredths digit: 8 (which is ≥ 5) - Round tenths up: 3 → 4 - Result: $$4.4$$ **b.** 12.87 - Tenths digit: 8 - Hundredths digit: 7 (≥ 5) - Round tenths up: 8 → 9 - Result: $$12.9$$ **c.** 32.85 - Tenths digit: 8 - Hundredths digit: 5 (≥ 5) - Round tenths up: 8 → 9 - Result: $$32.9$$ **d.** 44.72 - Tenths digit: 7 - Hundredths digit: 2 (< 5) - Tenths digit stays the same - Result: $$44.7$$ **e.** 15.83 - Tenths digit: 8 - Hundredths digit: 3 (< 5) - Tenths digit stays the same - Result: $$15.8$$ **f.** 3.065 - Tenths digit: 0 - Hundredths digit: 6 (≥ 5) - Round tenths up: 0 → 1 - Result: $$3.1$$ 4. **Final answers:** - a. $$4.4$$ - b. $$12.9$$ - c. $$32.9$$ - d. $$44.7$$ - e. $$15.8$$ - f. $$3.1$$