The sum of the given two numbers with regard to significant figures is

1.	The sum of the given two numbers with regard to significant figures is (5.0xx10^(-8))+(4.5xx10^(-6)) =
Answer» `4.55 XX 10^(-6)` `4.5 xx 10^(-6) ` `4.6 xx 10^(-6) ` `4 xx 10^(-6)` Answer :C

Discussion