160/3 x 3.14
For this, you can either change the fraction to a decimal, or change the decimal to a fraction. Since 160/3 is repeating as a decimal, I'm going to change 3/14 into a fraction
3.14 = 314/100
Plug it in
160/3 x 314/100
Multiply across
50240/300
Simplify
628/15
There's your answer!