Precision in measurement help (If i understand= best answer)?
Hey guys and girls,
I am confused on precision of measurement.
Can you guys help me on place value.
Okay.
So let's start
Ruler A, is a simple ruler with marks that are 1 centimeter apart.
What is the lowest place value of the objects on the markings of ruler A? 1 (I got that one)
Make a measurement (include units):
What is the place value of the estimated digit?
I am confused on place value. Just make up a imaginary measurement and show me how to do it. :(
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Answers & Comments
Verified answer
Well, if you have a 1 centimeter ruler you are only allowed to estimate on digit, aka the to the tenths digit. For example: if you measure something and it looks just a little more than 2 cm you can only estimate it to something like 2.2 cm. The basic rule is that you are only allowed to estimate one extra digit. So in this case you can only accurately see the ones digit so you can only estimate to the tenths digit. If there was another case that you could read up to the tenths digit you would estimate to the hundredths digit.