divyaravinder4207 divyaravinder4207 18-01-2024 Mathematics contestada Write 6.90x10²⁰ x 1.78x10⁻⁷ in scientific notation. a) 1.23 x 10¹³ b) 12.3 x 10¹² c) 123 x 10¹¹ d) 1.23 x 10¹⁴