A true
because 53•(41•11)=23,903 and (53•41)•11=23,903
Hope this helped
A lot of numbers, equations, etc equal 14.1. Be more specific in your questions. I’m sorry this doesn’t really help but just use this for future reference
It’s 60! i had that and got it correct. hope this helps :)
Answer:

Step-by-step explanation:
We want to find the sum of

We can rewrite this as

This becomes;

Recall that;

This implies that;

Combine like terms:
