Question

7. The respective number of significant figures for the numbers 16.015, 0.0008
and 6.2 x 103 are
a) 4,4,2 b) 5,1,2 c) 5,1,5 d) 5,5,2​

Answer 1

Answer: c

Explanation:

The first number (16.015) has 5 significant digits...as the zeros between the non-zero digits are also counted as significant..

The second number (0.0008) has 1 significant digit...as the zeros preceding the non-zero digits are not considered significant...

The third number (6.2× 103) has five significant digits...