1.

19. Simplify:35x105x25a.57x65

Answer»

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



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