A student measures the length of an object five times, each time using a different instrument. $\begin{array} { l l l l l l }
\text { Measurement } & 1 & 2 & 3 & 4 & 5 \
\text { Length (m) } & 74.14 & 74 & 75 & 74.2 & 73.9
\end{array}$ The least precise measurement is
A) 1.
B) 2.
C) 3.
D) 4.
E) 5.

Question

A student measures the length of an object five times, each time using a different instrument. $\begin{array} { l l l l l l } 
\text { Measurement } & 1 & 2 & 3 & 4 & 5 \
\text { Length (m) } & 74.14 & 74 & 75 & 74.2 & 73.9
\end{array}$ The least precise measurement is
A) 1.
B) 2.
C) 3.
D) 4.
E) 5.

Quizplus · Accepted Answer

The least precise measurement is the one with the fewest decimal places. Measurement 3 has no decimal places, making it the least precise.