Final answer:
To simplify 5.7 + (13/20), convert the fraction to a decimal by dividing 13 by 20 to get 0.65. Then add 0.65 to 5.7, which equals 6.35.
Step-by-step explanation:
To simplify the expression 5.7 + (13/20) and give the answer as a decimal, let's convert the fraction to a decimal and then add it to 5.7.
First, divide 13 by 20: 13 ÷ 20 = 0.65
Next, add this decimal to 5.7: 5.7 + 0.65 = 6.35
Therefore, the simplified expression is 6.35.