1) 9а²б²
2) 0,008х³
3) (3а²б⁴)³= 27а⁶б¹²
4) (-х² у)⁴
z³. = (-x²)⁴ * (y)⁴ : (z³)⁴= -x⁸*y⁴:z¹²
5) a⁸: a–¹= a⁹
6)x-²:x= x-³
7) 10a³b-²:5ab-⁵= 2 a²b⁷
8)(2a²b-³)³= (2a²)³*(b-³)³= 8a⁶b-⁶
9)-125
10)(1/3)-²= 1/9
11)(1 ⅓)-³= -1 1/27
12)(0,3)-³= -0,027
13)1/x⁴
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Answers & Comments
1) 9а²б²
2) 0,008х³
3) (3а²б⁴)³= 27а⁶б¹²
4) (-х² у)⁴
z³. = (-x²)⁴ * (y)⁴ : (z³)⁴= -x⁸*y⁴:z¹²
5) a⁸: a–¹= a⁹
6)x-²:x= x-³
7) 10a³b-²:5ab-⁵= 2 a²b⁷
8)(2a²b-³)³= (2a²)³*(b-³)³= 8a⁶b-⁶
9)-125
10)(1/3)-²= 1/9
11)(1 ⅓)-³= -1 1/27
12)(0,3)-³= -0,027
13)1/x⁴