2 of them.
there are 6 significant zeros. 2.50 time 10 to the negative seven 2.50 -1 power = .250 -2 = .0250 -3 = .00250 -4 = .000250 -5 = .0000250 -6 = .00000250 -7 = .000000250 the first six are significant
The figure 18.03 has a total of four significant numbers
5 significant figures.
There are 5 significant figures.
3 significant figures.
2
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
there are 6 significant zeros. 2.50 time 10 to the negative seven 2.50 -1 power = .250 -2 = .0250 -3 = .00250 -4 = .000250 -5 = .0000250 -6 = .00000250 -7 = .000000250 the first six are significant
No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.
The figure 18.03 has a total of four significant numbers
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.
Because 10.00400 is 10.004, this has five significant digits (numbers).
3 significant figures.
It has five significant figures.
7 significant figures.
3 significant figures.
There are 5 significant figures.