How many significant figures in 7.63?

Answer 1

Five. All the zeroes after any nonzero digit are significant because they represent a measured or estimated quantity.

Answer 2

7.0498 has five significant figures. All the digits, including the zero are significant.

Answer 3

Trailing zeros after a decimal point are not normally written. As there is a trailing zero written it must be significant; thus 23.0 has 3 sig fig.

Answer 4

Two - all nonzero digits are significant.

Answer 5

This mass has 3 significant figures.

Answer 6

3 significant figures.

Answer 7

3 of them.

Answer 8

2 of them.

Answer 9

6 of them.

Answer 10

Six