0.06 beginning zeros are not significant
Round 12 to 1 significant figure is 10.
To round 115 to two significant figures, you first identify the two most significant digits, which are 1 and 1. The third digit, 5, is the deciding factor for rounding. Since 5 is equal to or greater than 5, you round up the last significant digit. Therefore, 115 rounded to two significant figures is 120.
7000
2,000,000
9000
0.1
It is 4000.
It is 0.01
10000000
0.9
round to the first significant figure
800