The required property is the associative property of multiplication. So, option a is correct.
Important information:
- The given expression is \((8\cdot y)\cdot 9=8\cdot (y\cdot 9)\).
We need to identify the property for the given statement.
Associative property of multiplication:
According to the associative property of multiplication:
\((a\cdot b)\cdot c=a\cdot (b\cdot c)\)
Substituting \(a=8,b=y,c=9\), we get
\((8\cdot y)\cdot 9=8\cdot (y\cdot 9)\)
Thus, the associative property of multiplication is illustrated by the given statement. So, option a is correct.
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