Respuesta :

09pqr4sT

Answer:

[tex]-21s^{3}[/tex]

Step-by-step explanation:

[tex]-3s^{2} \times 7s[/tex]

[tex]-21s^{2+1}[/tex]

[tex]-21s^{3}[/tex]

melerluc

Answer:

[tex]-21s^3[/tex]

Step-by-step explanation:

multiply the coefficients of the two expressions to get a coefficient of -21

then multiply the variables, adding the exponents (2 and 1) and using 3 as the exponent of the result

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