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secondary 3 | E Maths
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NA Math, couldn’t managed to get the same answer as the book given... hopes there anyone out there able to teach me step by step thank you
Date Posted: 4 years ago
Views: 757
(c)
(-5mn³)³ = (-5)³ (m)³ (n³)³
= -125 x m³ x n⁹
(-5mn³)³ (6m²n⁹)
= -125 x m³ x n⁹ x 6 x m² x n⁹
= -750 x m⁵ x n¹⁸
(-3m²n⁴)² = (-2)² (m²)² (n⁴)²
= 4 x m⁴ x n⁸
(-5mn³)³ (6m²n⁹)/(-3m²n⁴)²
= (-750 x m⁵ x n¹⁸)/(4 x m⁴ x n⁸)
= (-375 x m x n¹⁰)/2
= ½(-375 x m x n¹⁰)
(-5mn³)³ = (-5)³ (m)³ (n³)³
= -125 x m³ x n⁹
(-5mn³)³ (6m²n⁹)
= -125 x m³ x n⁹ x 6 x m² x n⁹
= -750 x m⁵ x n¹⁸
(-3m²n⁴)² = (-2)² (m²)² (n⁴)²
= 4 x m⁴ x n⁸
(-5mn³)³ (6m²n⁹)/(-3m²n⁴)²
= (-750 x m⁵ x n¹⁸)/(4 x m⁴ x n⁸)
= (-375 x m x n¹⁰)/2
= ½(-375 x m x n¹⁰)
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