tolong dong bantu jawab ya besok di kumpul

[tex]3)0.81 \times 1.5 \\ \frac{81}{100} \times \frac{15}{10} \\ \frac{243}{200} \\ 1,215\\ 4)6.6 \times 1.82 \\ \frac{66}{10} \times \frac{182}{100} \\ \frac{3003}{250} \\ 12.012 \\ 5) \frac{3}{8} \times 2.5 \\ \frac{3}{8} \times \frac{25}{10} \\ \frac{75}{80} \\ 0.93 [/tex]