The 3×n is in the place of the decimal place value. 3×n=0.003 Divide both sides of the equation by 3 n=
0.003
3
0.003=0.001×3 n=
0.001×3
3
n=0.001 Alternate Solution You can as well solve for the value of n in the equation and obtain the same answer 25.003=(2×10)+(5×1)+(3×n) 2×10=20 5×1=5 25.003=20+5+(3×n) 25.003=25+(3×n) 25.003−25=(3×n) 0.003=3×n Divide both sides of the equation by 3