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= -27k⁹
l) 2(5p²)³ = 2(5)³(p²)³
= 2(124)p⁶
= 248p⁶
m) (3p²q³)² = 3²(p²)²(q³)²
= 9p⁴q⁶
n) (4p²qr⁵)³/(8pq²r²)
= (4³(p²)³q³(r⁵)³)/(8pq²r²)
= 64p⁶q³r¹⁵/8pq²r²
= 8p⁵qr¹³
o) 2(x²y³)³/8x⁵y⁴
= 2x⁶y⁹/8x⁵y⁴
= (1/4)xy⁵
= (-3k³)³
= (-3)³ . (k³)³
= -27k⁹
l)
= 2(5p²)³
= 2 . (5)³ . (p²)³
= 2 . 125 . p⁶
= 250p⁶
m)
= (3p²q³)²
= (3)² . (p²)² . (q³)²
= 9p⁴q⁶
n)
=
=
= (p⁶q³r¹⁵ . p⁻¹q⁻²r⁻²)
= 8 (p⁶⁻¹ q³⁻² r¹⁵⁻²)
= 8p⁵qr¹³
o)
=
=
= (x⁶y⁹ . x⁻⁵y⁻⁴)
= x⁶⁻⁵ y⁹⁻⁴
= xy⁵