1050 rounded to 2 sig figs is 1000, and to 1 sig figs is 1000.
1050 contains 4 significant digits and cannot be rounded to two significant figures without changing the value of the number.
Lower and Upper bound of 1000 of two significant figures is 100Plus or minus 50 is 950 , 1050
0.036 The significant figures are indicated by the square brackets 0.0[35550], so we round this part of the figure.
72 is 72.2 rounded to two significant figures.
0.004560 to two significant figures results in: 0.0046
8468 rounded to 2 significant figures is 8500
1.0
3800000
It is 640.
Just cut off the numbers at the eight: 48,000,000
76.51 rounded to 1 significant figures would be 77
72.8 round to two is 73.