Calculate the G.C.Dband the L.C.M of the following numbers 72,84 and 60 48,72 , and 36

10. Halla el MCM Y MCD. \( 200-400-800 \)

\( \begin{array}{ll}\text { A) } 28.3+4.98+3.7= & \text { H) } 459 \times 103= \\ \text { B) } 47.698+79.489= & \text { 1) } 349 \times 65= \\ \text { C) } 2.99+0.06+78+16.9= & \text { J) } 64.18 \times 7= \\ \text { D) } 948-329= & \text { K) } 1.232+4= \\ \text { E) } 8.270-136= & \text { L) } 36.108+12= \\ \text { F) } 975-88.15= & \text { M) } 8.5-4= \\ \text { G) } 148.64-29= & \text { N) } 123.5+5=\end{array} \)

1. Your brother traveled 117 miles in 2.25 hours to come home for school break. What's the average speed that he was traveling?

Carry out the following arithmetic operations to the CORRECT number of significant figures \( 2.64 \times 10^{3} \mathrm{~cm}+3.27 \times 10^{2} \mathrm{~cm} \) is: \( \begin{array}{ll}\text { A. } 2.967 \times 10^{3} \mathrm{~cm} & \text { C. } 2.967 \times 10^{3} \mathrm{~cm} \\ \text { B. } 2.97 \times 10^{3} \mathrm{~cm} & \text { D. } 2.9670 \times 10^{3} \mathrm{~cm}\end{array} \)

Encuentren la ley de formación completen los números que faltan: a) \( 7,8,10,13,17 \). b) \( 15,16,12,13,9 \) c) \( \frac{2}{5}, \frac{4}{5}, \frac{8}{5} \)