JEE MAIN - Physics (2010 - No. 28)
The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 $$ \times $$ 10–3 are
5, 1, 2
5, 1, 5
5, 5, 2
4, 4, 2
Giải thích
23.023 has 5 significant figures.
0.0003 has 1 significant figure.
2.1 $$ \times $$ 10–3 has 2 significant figures.
0.0003 has 1 significant figure.
2.1 $$ \times $$ 10–3 has 2 significant figures.