18
Penjelasan dengan langkah-langkah:
[tex]\begin{aligned}\displaystyle\tt~ { - 3}^{2} - ( { - 3}^{3}) & = \displaystyle\tt~ - (3 \times 3) - ( - (3 \times 3 \times 3)) \\ & = \displaystyle\tt~ - 9 - ( - 27) \\ & = \displaystyle\tt~ - 9 + 27 \\ & = \displaystyle\tt~ 18\end{aligned}[/tex]
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[tex]\footnotesize \texttt{ingat!} -a^n \ne (-a)^n[/tex]
[tex]\begin{aligned} -3^2 - (-3^3) &= - (3 \times 3) - ( - (3 \times 3 \times 3) \\&= -9 - (-(3 \times 9)) \\&= -9 - (-27) \\&= -9 + 27 \\&= \boxed{\bold{\underline{18}}} \end{aligned}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 22 - 05 - 2023}}[/tex]
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Verified answer
18
Penjelasan dengan langkah-langkah:
[tex]\begin{aligned}\displaystyle\tt~ { - 3}^{2} - ( { - 3}^{3}) & = \displaystyle\tt~ - (3 \times 3) - ( - (3 \times 3 \times 3)) \\ & = \displaystyle\tt~ - 9 - ( - 27) \\ & = \displaystyle\tt~ - 9 + 27 \\ & = \displaystyle\tt~ 18\end{aligned}[/tex]
Operasi Hitung Bilangan
[Operasi Eksponen]
..
[tex]\footnotesize \texttt{ingat!} -a^n \ne (-a)^n[/tex]
[tex]\begin{aligned} -3^2 - (-3^3) &= - (3 \times 3) - ( - (3 \times 3 \times 3) \\&= -9 - (-(3 \times 9)) \\&= -9 - (-27) \\&= -9 + 27 \\&= \boxed{\bold{\underline{18}}} \end{aligned}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 22 - 05 - 2023}}[/tex]