The associative property of multiplication states that the way in which numbers are grouped in a multiplication problem does not change the product. In other words, for any numbers \( a \), \( b \), and \( c \):
\[ a \times (b \times c) = (a \times b) \times c \]
Applying this property to the expression \( 9 \times (q \times r) \), we can rewrite it as:
\[ (9 \times q) \times r \]
So, the expression can be rewritten as \( (9 \times q) \times r \).
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