Jawab:
a. 10a⁸
b. 6a³b⁴c⁶
c. a²b³c
d. 2x⁴y⁶
Penjelasan dengan langkah-langkah:
• Perhatikan contoh berikut
2⁵ = 2 × 2 × 2 × 2 × 2
2³ = 2 × 2 × 2
2⁵ × 2³ = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2⁸ = 2⁵⁺³
Ini memenuhi bentuk [tex]\displaystyle a^ma^n=a^{m+n}[/tex]
• Perhatikan pula
[tex]\displaystyle \frac{2^5}{2^3}=\frac{\cancel{2\times2\times2}\times2\times2}{\cancel{2\times2\times2}}=2\times2=2^2=2^{5-3}[/tex]
Ini memenuhi bentuk [tex]\displaystyle \frac{a^m}{a^n}=a^{m-n}[/tex]
Nomor 2a
[tex]\displaystyle 5a^3\times2a^5=10a^{3+5}=10a^8[/tex]
Nomor 2b
[tex]\displaystyle 3abc^2\times2a^2b^3c^4=6a^{1+2}b^{1+3}c^{2+4}=6a^3b^4c^6[/tex]
Nomor 2c
[tex]\displaystyle \frac{a^5b^7c^2}{a^3b^4c}=a^{5-3}b^{7-4}c^{2-1}=a^2b^3c[/tex]
Nomor 2d
[tex]\displaystyle \frac{4x^7y^8}{2x^3y^2}=2x^{7-3}y^{8-2}=2x^4y^6[/tex]
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Jawab:
a. 10a⁸
b. 6a³b⁴c⁶
c. a²b³c
d. 2x⁴y⁶
Penjelasan dengan langkah-langkah:
• Perhatikan contoh berikut
2⁵ = 2 × 2 × 2 × 2 × 2
2³ = 2 × 2 × 2
2⁵ × 2³ = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2⁸ = 2⁵⁺³
Ini memenuhi bentuk [tex]\displaystyle a^ma^n=a^{m+n}[/tex]
• Perhatikan pula
[tex]\displaystyle \frac{2^5}{2^3}=\frac{\cancel{2\times2\times2}\times2\times2}{\cancel{2\times2\times2}}=2\times2=2^2=2^{5-3}[/tex]
Ini memenuhi bentuk [tex]\displaystyle \frac{a^m}{a^n}=a^{m-n}[/tex]
Nomor 2a
[tex]\displaystyle 5a^3\times2a^5=10a^{3+5}=10a^8[/tex]
Nomor 2b
[tex]\displaystyle 3abc^2\times2a^2b^3c^4=6a^{1+2}b^{1+3}c^{2+4}=6a^3b^4c^6[/tex]
Nomor 2c
[tex]\displaystyle \frac{a^5b^7c^2}{a^3b^4c}=a^{5-3}b^{7-4}c^{2-1}=a^2b^3c[/tex]
Nomor 2d
[tex]\displaystyle \frac{4x^7y^8}{2x^3y^2}=2x^{7-3}y^{8-2}=2x^4y^6[/tex]