How many significant figures are in 0.5070?

Answer 1

three

if somebody goes through the bother of putting extra zero after a decimal point then it must be because they are significant.

0.00030000000000000 has 14 significant figures

0.000000000000000000000000000000000000000000004 has only one significant figure

Answer 2

In this case, there are 4 significant digits. All nonzero digits are significant as well as the zero between the nonzero digits and the zero to the right of the last nonzero digit since it is after the decimal.

Answer 3

Yes, 0.510 has 3 sig fig since the digits of 510 are counted after the decimal point.

Answer 4

Two of them