[tex]\huge\text{Hey there!}[/tex]
[tex]\bold{Do\ \underline{PEMDAS}....}\\\\\\\large\text{\underline{P}arentheses}\\\\\large\text{\underline{E}xponents}\\\\\large\text{\underline{M}ultiplication}\\\\\large\text{\underline{D}ivision}\\\\\large\text{\underline{A}ddition}\\\\\large\text{\underline{S}ubtraction}[/tex]
[tex]\mathsf{(1+3)^2\times5}\\\\\mathsf{(1+3)=4}\\\\\mathsf{(4)^2\times5}\\\\\mathsf{(4)^2\rightarrow4\times4= 16}\\\\\mathsf{16\times 5= \bf{\underline{ANSWER}}}\\\\\mathsf{=80}[/tex]
[tex]\boxed{\boxed{\large\text{Answer: \bf{80}}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]