Verified Answer :

\(7\frac47\approx7.57143\approx\boxed{7.571}\)

TSO

Using a calculator, you can find out that \(\sf{ \frac{4}{7}\approx 0.571428571 \approx.571\)

and so that means \(\sf{ 7\frac{4}{7}\approx 7.571428571 \approx 7.571\)

so your answer is

\(\sf{ 7\frac{4}{7} \approx \huge{\boxed{7.571}}\)