lnelson2297 lnelson2297 14-03-2022 Mathematics contestada 3. Simplify the following expressions (3-7). Multiply and remove all perfect squares inside the square roots. Assume y is positive. 615y4*220y2 4. 3729 5. 22516 6. 54x7 7. 2a*14a3*5a 8. (6-4* 8-7)-9 65*82 636*863 1613* 816