When two people each measured a windows width their results were 79cm and 786mm are these results equally precise explain

Question

Mathematics

Judith Cabrera

4 October, 03:56

When two people each measured a windows width their results were 79cm and 786mm are these results equally precise explain

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Answers (2)

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Darryl Bradford · Answer 1

1 cm = 10 mm

so 79 cm = 79 (10) = 790 mm

there is only 4 mm difference ... but I am not sure if that is equally precise ... its not exact, but its very, very close

Monique Becker · Answer 2

The second result is more precise because it's in millilitre, so if the first were to be fully precise, it should have been 78.6 cm