Con De las siguientes expresiones, observar
detenimiento que caso de producto notable es,
escribir su nombre, aplicar la regla haciendo los
cálculos con procedimiento, y por último encerrar
el resultado en un rectángulo:
(d? e f 4- 3) (d? e f 4 + 5)
R: d e f 8 + 2 d e f 4. 15
2.(6 a b c - 7 x y zo)
(6 a b c - 7 x y zº)
R: 36 a2 b4 c - 84 a b? c3 x4 y z
+ 49 x y10 z12
3.(9 r s - 10 mº nº) (9 r s + 10 mº nº)
R: 81 r s - 100 m n 12
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chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.

if i knew id you bro,, my bad

mtrs.

step-by-step explanation:

first sa=180 square meters

as it is given that

putting the value of sa

mtrs.

now, when sa = 120 sq mtrs. using the formula we get

mtrs.

the side of cube with surface area 180 sq mtrs. is longer by side of cube with surface area 12 sq. mtrs. by

mtrs..