1) x¹²· x³ = x¹⁵2) a⁻³· a⁸ = a⁵3) t⁻⁵· t = t⁻⁴4) y⁴· y⁻⁴ = y⁰ = 15) m⁹÷ m⁵ = m⁴6) n⁻¹²÷ n⁸ = n⁻⁴7) (x³)⁷ = x²¹8) (x⁻⁴)⁵ = x⁻²⁰ = 1/x²⁰9) (k⁻⁷)⁻² = k¹⁴10) (x⁶y)⁻⁴ = x⁻²⁴y⁻⁴11) (a÷b⁻⁴)⁻³ = (a·b⁴)³ = a³b¹²
2)1) 2²÷2⁸ = 1/2⁶ = 1/642) (4⁻¹)⁻² = 4² = 163) 14⁻⁷÷14⁻⁸ = 1/144) (а⁻⁵)⁴·a²² = a⁸² = a¹⁶
1) x¹²· x³ = x¹⁵
2) a⁻³· a⁸ = a⁵
3) t⁻⁵· t = t⁻⁴
4) y⁴· y⁻⁴ = y⁰ = 1
5) m⁹÷ m⁵ = m⁴
6) n⁻¹²÷ n⁸ = n⁻⁴
7) (x³)⁷ = x²¹
8) (x⁻⁴)⁵ = x⁻²⁰ = 1/x²⁰
9) (k⁻⁷)⁻² = k¹⁴
10) (x⁶y)⁻⁴ = x⁻²⁴y⁻⁴
11) (a÷b⁻⁴)⁻³ = (a·b⁴)³ = a³b¹²
2)
1) 2²÷2⁸ = 1/2⁶ = 1/64
2) (4⁻¹)⁻² = 4² = 16
3) 14⁻⁷÷14⁻⁸ = 1/14
4) (а⁻⁵)⁴·a²² = a⁸² = a¹⁶