Answer:
0
Step-by-step explanation:
Multiply by zero\(80-15\cdot 0-71+(-9)\cdot 1\)\(80+0-71+(-9)\cdot 1\)2Multiply the numbers\(80+0-71\textcolor{#B14BA5}{-9}\cdot \textcolor{#B14BA5}{1}\)\(80+0-71\textcolor{#B14BA5}{-9}\)3Add the numbers\(\textcolor{#B14BA5}{80}+\textcolor{#B14BA5}{0}\textcolor{#B14BA5}{-71}\textcolor{#B14BA5}{-9}\)\(\textcolor{#B14BA5}{0}\)
