1.1)а^-8+10 = а^2
1.2)а^7+(-11) = а^-4 =1/а^4 (/-дробь)
1.3)а^ (−6)+10+(−20) = а^-16 = 1/а^16
1.4)а^-8-10 = а^-18 = 1/а^18
1.5) а^-4-(-12) = а^8
1.6)а^1-(-10)=а^11
1.7)х^-8+1 =х^-7 = 1/х^7
1.8)а^3×(-8) = а^-24 = 1/а^24
1.9)в^-8 ×в^6×10 = в^-8 × в^60 = в^-8+60 = в^52
1.10) 1/(ху)^3 = 1/х^3у^3
1.11) 1/(х 1/у^2)^5 = 1/х^5× 1/у^10
2.1) 7^-8+10 =7^2 =49
2.2) 10^-12+15 = 10^3 = 1000
2.3) 5^-12-(-16) = 5^4 = 625
2.4) 3^ (−14)+(−19)−(−34) = 3^1 =3
2.5) 5^7 × (1/5)^6 = 5^7/1 × 1/5^6 = 5^7/5^6 = 5^7-6 = 5^1 =5