Question

Calcule:
A:
$( - 5a {}^{4} bc {}^{3} ).( - b {}^{2}c).( + 4a {}^{2}c)$
B:
$(4.5y {}^{2}).( - 0.3y).( - y {}^{4})$


​

Answer 1

a) +20a⁷b³c⁵

b) +1,25y⁷

✨ Boa noite

01/05