Question

a) 20х⁴y²×100x⁵y⁷
b) 20x²y⁴×(-3x¹⁸y)
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Answer 1

Ответ:

$a) 20x^{4} y^{2} *100x^{5} y^{7} =2000x^{4+5} y^{2+7} =2000x^{9}y^{9}$

$b) 20x^{2} y^{4} *(-3x^{18}y) =-60x^{2+18}y^{4+1} =-60x^{20} y^{5}$

Объяснение: