the circumference of Terry's wheel is 250 centimeters. Estimate, to 1 significant figure, how many times the wheel goes round when Terry cylces 10 kilometers
the circumference of Terry's wheel is 250 centimeters. Estimate, to 1 significant figure, how many times the wheel goes round when Terry cylces 10 kilometers
\(\begin{array}{|rcll|} \hline && \frac{10\ 000\ m}{2.50\ m} \\\\ &=& 4000 \\\\ &=& 4\cdot 10^3 \\\\ \hline \end{array} \)
The wheel goes round 4000 times.