Question

3. solve the following with regard to significant figures

a) 5.8 + 0.125
II) 3.9x105-2.5x104

Answer 1

a)5.925

ii)149.5 or383.5

Step-by-step explanation:

ii)3.9×105-2.5×104

409.5-260

the zero in 260 may or may not be significant since it is after two significant figures thus we have two options