$\"\"$

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The expression is $\"\"$ .

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Round to the nearest whole number then multiply.

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189 rounded to the nearest whole number is 200.

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89 rounded to the nearest whole number is 100.

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$\"\"$

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The expression becomes: $\"\"$

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$\"\"$ (Multiply: $\"\"$ )

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So, $\"\"$

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$\"\"$

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The product is about $\"\"$ .

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