CUAL DE LAS SIGUENTES ES UNA POTENCIA VALIDA A (5 ELEVADO AL 2)ELEVADO AL 2 =20
B 9 ELEVADO A 2 =81
C 9 ELEVADO A 0=7
D 2 ELEVADO A 3 =6
PARA YA PORFA :/

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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