To find which expression gives a product of \( \frac{4}{9} \), we can evaluate each option:
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\( 2 \times \frac{7}{9} \): \[ 2 \times \frac{7}{9} = \frac{2 \times 7}{9} = \frac{14}{9} \]
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\( 9 \times \frac{2}{7} \): \[ 9 \times \frac{2}{7} = \frac{9 \times 2}{7} = \frac{18}{7} \]
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\( 9 \times \frac{1}{7} \): \[ 9 \times \frac{1}{7} = \frac{9 \times 1}{7} = \frac{9}{7} \]
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\( 2 \times \frac{1}{9} \): \[ 2 \times \frac{1}{9} = \frac{2 \times 1}{9} = \frac{2}{9} \]
None of the options directly yield \( \frac{4}{9} \). However, if we focus on combinations or manipulations of these expressions, we see that:
To obtain \( \frac{4}{9} \), one possible way would be \( \frac{2}{9} \times 2 \), but that's not an option provided.
Thus, strictly evaluating the options given, none yield \( \frac{4}{9} \) directly.
Could you please confirm if any additional combinations or options are available, or if the requirement is only to choose from the provided options?