10000000
100
It is 0 0.00005
The answer is 400 but these websites on related links are good.
e A number that has only 1 significant figure can't be rounded to 3 significant figures
Round 12 to 1 significant figure is 10.
It is 0.01
7000
0.9
0.1
10000000
2,000,000
12
800
200
100
round to the first significant figure