¿Puedes calcularlo de forma sencilla? (1)8,25×104(2)4,28×99(3)6,3×1
=8,25×(104),
=8,25×108,25×4,
=825+33 ,
=858;
(2)4,28×99,
=4,28×(100-1),
=4,28 ×100-4,28,
=428-4,28,
=423,72;
(3)6,3×100,2,
=6,3 ×(100,2),
=6,3×106,3×0,2,
=631,26,
=631,26.
=8,25×(104),
=8,25×108,25×4,
=825+33 ,
=858;
(2)4,28×99,
=4,28×(100-1),
=4,28 ×100-4,28,
=428-4,28,
=423,72;
(3)6,3×100,2,
=6,3 ×(100,2),
=6,3×106,3×0,2,
=631,26,
=631,26.