Find the smallest number that rounds to 400 when rounded to the nearest hundred.

p. s. what kind of problem should i make next? tell me in your answer or in the comments, or message me. bye

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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