Question

express 3 ×1 + 8 in the form of decimal

Answer 1

$\bf\Large\color{Orange}{Hey...Friend}$

$3 \times 1 + 8 \\ = 3 + 8 \\ = 11 \\ also \: 11 \: can \: be \: written \: as \: \\ 11.0 \: in \: its \: decimal \: form$

=> 11.0 is your answer.

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Answer 2

3+8 = 11
in decimal 11.0
I hope it is helpful to you