Question

6)Determine o valor de (13xy) (13xy).
a)( )169
b)( )40
c)( )25
Alguém me ajuda​

Answer 1

Resposta:

$(13xy) (13xy) \\ 13xy \times 13xy \\ {169x}^{2} {y}^{2}$

Answer 2

Oie, Td Bom?!

$= (13xy) \: . \: (13xy)$

$= 13xy \: . \: 13xy$

$= (13 \: . \: 13)xyxy$

$= 169x {}^{1} y {}^{1} x {}^{1} y {}^{1}$

$= 169x {}^{ 1 + 1} y {}^{1 + 1}$

$= 169x {}^{2} y {}^{2}$

Att. Makaveli1996