Question

Which of the following numbers has 4 significant figures?

A. 3,000

B. 40,111

C. 4,120

D. 0.0234

E. 0.06780

Answer 1

Is D the correct answer?

Answer 2

Are you sure?

Answer 3

The significant figuresof a number are those digits that carry meaning contributing to its precision. This includes all digits except:
Certain leading and trailing zeros which are merely placeholders to indicate the scale of the number.
Spurious digits introduced, for example, by calculations carried out to greater precision than that of the original data, or measurements reported to a greater precision than the equipment supports.

Answer 4

Thanks a lot :)

Answer 5

sorry didnt mean to delete that I clicked wrong

Answer 6

no worries!

Answer 7

ok :D