Question

3(10-11y) distributive property

Answer 1

$3(10-11y)=30-33y$

Answer 2

When you use the distributive, you multiply everything in the parentheses by the number outside it.
3(10 - 11y), first we multiply 10 by 3, then we multiply 11y by 3,
3(10 - 11y) --> 30 - 33y