Question

19. Simplify:
35x105x25
a.
57x65

Answer 1

3^5 x 10^5 x 25/ 5^7 x 6^5
= 243 x 100000 x 25/ 390625 x 7776
= 6075 x 100000/ 3037500000
= 607500000/ 3037500000
= 6075/ 30375
= 0.2