Selecciona todas las opciones equivalentes \( 1.7=\square \) \( \begin{array}{c}1.5+0.5 \\ -0.3\end{array} \) \( 0.5-0.3 \)

\( 2 + ( - \frac { 11 } { 3 } ) ; \quad - \frac { 1 } { 4 } - ( - \frac { 5 } { 6 } ) - 3 \)

Carry out the calculations each person is performing and give the correct uncertainty. a) A truck operator estimates the distance from a land fill site to a job site to be 9.4 km . He adds 0.5 km for travel inside the job site and 0.3 km at the land fill site. What are the combined distances and uncertainties?

Using long division 714/ 42

What is the least common multiple of 10 and 15 ? A. 5 B. 25 C. 30 D. 60 E. 150

The length of a piece of ribbon is 250 millimeters. Which is the equivalent length in meters? \[ \begin{array}{l}\text { A. } 25 \mathrm{~m} \\ \text { D. } 2.5 \mathrm{~m} \\ 0.25 \mathrm{~m}\end{array} .025 \mathrm{~m} \] E. 0.0025 m