Question

Complete the equation and tell which property you used. (3×10)×8=___(10×8)

Answer 1

To complete the equation and tell which property you used. (3×10)×8=___(10×8)
The property of basic operations that was used here is the:
1. Associative property of multiplication where you can group or cluster certain values or numbers in an equation and still yield the same product.

The missing value would be 3. Hence,
2. (3 × 10) × 8 = 3 (10 × 8) Observe the parenthesis which has only moved from starting with three to the value of ten.

Answer 2

(3x10)x8=3x(10x8) 
30x8=240        3x80=240

Property used = Associative