Write the place value of the 5 in each number. a) 1 325​

Place value of 5= 5*1=5

Place value of 2=2*10=20

Place value of 3=3*100=300

Place value of 1=1*1000=1000

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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