To 3 significant figures, 3.2550 can be rounded up to 3.26.
1080
3 sig figs
3 sig figs.
3 the zero in the middle counts, the two zeros at the end do not
When to the left of the decimal point, zeros mean nothing: 2010 has 3 sig figs (counting 201 as individual numbers 2, 0, and 1 which equals 3). When to the right, they do mean something: 0.0045 has 4 sig figs (counting 0045 as individual numbers 0, 0, 4, and 5 which equals 4).
1080
there are 3 sig figs. 4, 0, and 5 are the sig figs
7.00 x 10^3
There are 3 sig figs becasue when you multiply two numbers you take the same number of sig figs as the multiple with the fewest sig figs. 0.280 and 3.70 both have 3 sig figs.
Depending on the number of significant figures, it could be the following:4.251x10^3 (4 sig figs)4.25x10^3 (3 sig figs)4.3x10^3 (2 sig figs)4x10^3 (1 sig fig)
Depending on how many significant figures you want, it can be2.421200x10^6 (7 sig figs)2.42120x10^6 (6 sig figs)2.4212x10^6 (5 sig figs)2.421x10^6 (4 sig figs)2.42x10^6 (3 sig figs)2.4x10^6 (2 sig figs)2x10^6 (1 sig fig)
3
3
3
3
rounded to 3 significant figures it would be .00750
3 sig figs