Question

ajudaa pôr favor e pra hj
calcule os produtos entre monônimos:

a)(2x) . (3x2) =

b) (–3y) . (4y 2 ) =

c) (5a) . (–3b) =

d) (–4x 2y) . (–3xy 2 ) =

e) (–5ab). (3a) =


se souberem pfv me ajunde e pra hj !!!​

Answer 1

Resposta:

a)(2x) . (3x2) =

$2 \times 3 \times x \times {x}^{2} = \\ 6 \times {x}^{1 + 2} = \\ 6 {x}^{3}$

b) (–3y) . (4y 2 ) =

$( - 3) \times 4 \times y \times {y}^{2} = \\ - 12 \times {y}^{ + 1 + 2} = \\ - 12 {y}^{3}$

c) (5a) . (–3b) =

$( - 4x \times 2y) \times ( - 3x {y}^{2} ) = \\ ( - 4) \times 2 \times ( - 3) \times x \times x \times y \times {y}^{2} = \\ + 24 \times {x}^{1 + 1} \times {y}^{1 + 2} = \\ 24 {x}^{2} {y}^{3}$

d) (–4x 2y) . (–3xy 2 ) =

$5 \times ( - 3) \times a \times b = \\ - 15ab$

e) (–5ab). (3a) =

$(–5ab). (3a) = \\ ( - 5) \times 3 \times a \times a \times b = \\ - 15 \times {a}^{1 + 1} \times b = \\ - 15 {a}^{2} b$

espero que isso ajude vc