Question

how many significant features are present in 0.0021​

Answer 1

Answer:{HOPE ITS HELP YOU MARK ME AS A BRAINLIST}

Explanation:0.0021

                Sig Figs=2

                Decimals=4

                 Scientific Notation=2.1 × 10-3

Answer 2

Answer:

Since zeros on left side of a number is not counted

therefore it has 2 significant figures 2 and 1