steelblue1669 steelblue1669 18-01-2024 Mathematics contestada Write 1.78x10⁻⁷ x 7.87x10²¹ in scientific notation. a) 1.40 x 10¹⁴ b) 14 x 10¹³ c) 140 x 10¹² d) 1.40 x 10¹¹