1. -9x³=1/3
2. a) y³×y²²=y²⁵;
б) (y⁴)⁶=y²⁴;
в) y¹⁰:y⁵=y⁵;
г) (3y)⁵=243y⁵
3. a) -4ab²×3a⁷b⁶=12a⁸b⁸
б) (3а⁵b²)²=9a¹⁰b⁴
4. x=2;x=(-2)
5. a) 1
б) 5
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Answers & Comments
1. -9x³=1/3
2. a) y³×y²²=y²⁵;
б) (y⁴)⁶=y²⁴;
в) y¹⁰:y⁵=y⁵;
г) (3y)⁵=243y⁵
3. a) -4ab²×3a⁷b⁶=12a⁸b⁸
б) (3а⁵b²)²=9a¹⁰b⁴
4. x=2;x=(-2)
5. a) 1
б) 5