Question

Q. No. 2: The respective number of significant figures for the numbers
24.069, 0.005 and 5.1 x 10-3 is:
O 5, 4,2
0 4.1.2
O 5,1,2
O 5,1,5​

Answer 1

Answer:(c) 5,1,2

24.069 has 5 sf (all are significant),

0.005 has 1 sf (the zeroes don't count)

and 5.1 x 10-3 has 2 sf(5&1)