A ruler has markings as shown below. Stefan uses this ruler to measure the length of a metal rod. How many decimal places should
his answer include?
2 answers:
Based on a ruler in centimeters, with ten divisions between each centimer mark, you will have marks at every 0.1 cm.
Then, the measure of the length of a metal rod should have 1 decimal place.
That decimal place means mlimiters, given that 1 mm = 0.1 cm.
Answer: 1 decimal place
Answer:
Based on a ruler in centimeters, with ten divisions between each centimer mark, you will have marks at every 0.01 mm.
Then, the measure of the length of a metal rod should have 1 decimal place.
That decimal place means mlimiters, given that 1 mm = 0.1 cm.
Answer: 2 decimal place
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