93000000 has 2 sig fig.
93000000 is, itself a whole number so you would write it exactly as in the question.
0.0310 has 3 significant figures.
Seven
Six
1
2
Two. The zeros are just placeholders.
One
It is 93000000
93,000,000 mile = 49,1000,000,000 feet
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
percentage = 0.0003605%% rate:= 93000000/25800000000000 * 100%= 0.000003605 * 100%= 0.0003605%
The figure 18.03 has a total of four significant numbers
The average distance from the earth to the sun is 93,000,000 miles.
93000000 is, itself a whole number so you would write it exactly as in the question.
Because 10.00400 is 10.004, this has five significant digits (numbers).
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.