Question

1) (- 2/7)²=; 2) (-0,3)³=; 3) (-1)²=; 4) (-1)³=;​

Answer 1

Ответ: 1)-4/49.

2)-27/1000.

3)1.

4)-1.

Пошаговое объяснение:во втором и первом ответе обрати внимания я сделал дроби. Но лучше скачай приложение специальное которое может с лёгкостью и с пояснениями считать дроби и другое!

Answer 2

1. (-2/7)² = 4/49 To square a fraction, you square the numerator and the denominator separately. Therefore, (-2/7)² is equal to (-2)² / 7², which simplifies to 4/49.

2. (-0.3)³ = -0.027 To cube a decimal number, you multiply it by itself twice. Therefore, (-0.3)³ is equal to (-0.3) * (-0.3) * (-0.3), which simplifies to -0.027.

3. (-1)² = 1 When you square a negative number, the result is always positive. Therefore, (-1)² equals 1.

4. (-1)³ = -1 When you cube a negative number, the result retains the negative sign. Therefore, (-1)³ equals -1.