Seventy-seven is a composite number.
Because you had to divide by eleven or seven. Then you can multiply by seven or eleven its equal to seventy-seven.
[tex]77/11=7[/tex]
[tex]11*7=77[/tex]
[tex]77/7=11[/tex]
[tex]7*11=77[/tex]
Final answer: [tex]\boxed{=77}[/tex]
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie
