Question

3×1+(4×1/100)+(5×1/1,000)What is this number in standard form?

Answer 1

The answer is 3.045!!

Answer 2

3*1 + (4*1/100)+(5*1/1000)=
3+(4/100)+(5/1000)=
3*0.04+0.005
=0.125
In standard form would be:
1.25*10^-1