Berapa hasilnya? [tex]( {5x}^{4} {y}^{ - 3} )^{2} \times {8x}^{2} {y}^{4} [/tex] a. 200m^12n^-2 b. 200m^10n^-2 c. 100m^10n^-4 d. 40m^8n^-4
Matematika
Viraa123
Pertanyaan
Berapa hasilnya?
[tex]( {5x}^{4} {y}^{ - 3} )^{2} \times {8x}^{2} {y}^{4} [/tex]
a. 200m^12n^-2
b. 200m^10n^-2
c. 100m^10n^-4
d. 40m^8n^-4
[tex]( {5x}^{4} {y}^{ - 3} )^{2} \times {8x}^{2} {y}^{4} [/tex]
a. 200m^12n^-2
b. 200m^10n^-2
c. 100m^10n^-4
d. 40m^8n^-4
1 Jawaban
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1. Jawaban dharmawan14
(5x^4y^-3)^2.(8x^2y^4)
= (5^2x^8y^-6).(8x^2y^4)
= 25.8 x^(8+2)y^(-6+4)
= 200x^10y^-2