Problem 35 of 7
A measurement is reported as 42 to the nearest ten. Give the possible interval for the true value.
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describe possible range of true values.
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Use half the rounding unit on each side.
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Correct
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Solution
Walkthrough
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1. Find half of the rounding unit.
2. Subtract it for the lower bound and add it for the upper bound.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Giving an answer that does not satisfy this rule: Accept interval with correct lower and upper bounds.