Posted by **christina** on Monday, February 3, 2014 at 12:40am.

The sensitivity of a measuring instrument is the value of the smallest quantity that can be read or estimated with it. What is the smallest part of a centimeter that can be read with the following?

(a) a meterstick with markings at each millimeter

I tried

.01 mm

.05 mm

.1 mm

.01cm

all wrong..

(b) a digital caliper with a four-digit display

I tried

.0001 in

.01 mm

.01 in

all wrong as well

- Science -
**DrBob222**, Monday, February 3, 2014 at 12:48am
For a I would think it could be estimated to the nearest 0.5 mm which is 0.05 cm.

For b, the problem doesn't say what the digits mean; i.e., four-digit display of what length? If it is 1234 then it can be read to 1 in the last place, whatever that last place is.

- Science -
**asdf**, Monday, September 15, 2014 at 12:36am
the caliper is .0005 cm

- Science -
**Lou**, Tuesday, October 4, 2016 at 9:16pm
I know the first one can be .5mm

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