CountryHoomango CountryHoomango Science Answered Round off the number to 345.769 - round to 5 s.f. 0.00735 - 2 s.f. 4532000 - 3 s.f. 5.67800 - 1 s.f. 0.0000456887 - 4 s.f. 10000 - 1 s.f. Please present the picture of your calculation and explanation