Question

how many significant digits for each numbers 540​

Answer 1

Answer:

its answer is 3. as 540 is a definite no. however we can also count it as infinite but here we can only say 3

Answer 2

540 = 5.4 × 10 ^ 2

Here Only 5 and 4 are significant figures...0 is not a significant as zero to the right of the number is not signifiacnt