Answer:
Associative property
Step-by-step explanation:
Associative property allows you to put parenthesis in a part of the equation. We can only apply associative property on a part with multiplication or addition. If you do it with at an equation with subtraction or division you can change the result and make calculation mistake.
In this question, all of the operation used is multiplication. The result won't change even if you put parenthesis, both will give result of 480
Astt: Angle Sum Tri Theorem
The Civil Rights Act of 1866, passed over the veto of President Andrew Johnson, gave ex-slaves full citizenship (except for voting) in the United States. ... The era of Reconstruction was an attempt to establish new governments in the former Confederacy and to bring freedmen into society as voting citizens.
