Jawaban:
7. -7
9. 1/15
Penjelasan dengan langkah-langkah:
7. -3² - {3/4 × (-2 2/3)}
= -9 - {3/4 × (-8/3)}
= -9 - ( -2 )
= -9 + 2 = -7
9. 0.12 × {1 - (-2/3)²}
= 0.12 × (1 - 4/9)
= 0.12 × (9/9 - 4/9)
= 0.12 × 5/9
= 12/100 × 5/9
= 1/15
semoga membantu :)
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Jawaban:
7. -7
9. 1/15
Penjelasan dengan langkah-langkah:
7. -3² - {3/4 × (-2 2/3)}
= -9 - {3/4 × (-8/3)}
= -9 - ( -2 )
= -9 + 2 = -7
9. 0.12 × {1 - (-2/3)²}
= 0.12 × (1 - 4/9)
= 0.12 × (9/9 - 4/9)
= 0.12 × 5/9
= 12/100 × 5/9
= 1/15
semoga membantu :)