Find the cube of the following numbers1. 152. 913. 324. 208

1.	Find the cube of the following numbers1. 152. 913. 324. 208
Answer» 1. 15 15³ = 15 + 2 x (5) / 3 x (5)² / 5³ [Base = 10, deviation = 5] = 25/75/125 = 25/75/125 = 25/87/5 = 25/87/5 = 33 / 7 / 5 2. 91 91³ = 91 + 2 x (-09) / 3 x (-09)² / (-09)³ [Base = 100, deviation = (-09)] = 73 / 243 / (-729) = 73 /2 43 / (-729) = 75 / 43 / -729 = 754300 – 729 = 753571 3. 32 32³ = 3² (32 + 2 x 2) / 3 x 3 x (2)² / 2³ [Base =10, sub-base = 3, deviation = 2] = 9 x 36/9 x 4/8 = 324 / 36 / 8 = 324 /3 6 / 8 = 327 / 6 / 8 = 32768 4. 208 208³ = 2² (208 + 2 x 8)/2 x 3 x (8)² / (8)³ [Base = 100, sub-base = 2, deviation = 8] = 4 (224) / 384 / 512 = 896 /384 / 512 = 899 / 84 /512 = 899 / 89 / 12 = 8998912

Answer»

1. 15

15³ = 15 + 2 x (5) / 3 x (5)² / 5³

[Base = 10, deviation = 5]

= 25/75/125 = 25/75/125

= 25/87/5 = 25/87/5 = 33 / 7 / 5

2. 91

91³

= 91 + 2 x (-09) / 3 x (-09)² / (-09)³

[Base = 100, deviation = (-09)]

= 73 / 243 / (-729)

= 73 /2 43 / (-729)

= 75 / 43 / -729

= 754300 – 729

= 753571

3. 32

32³ = 3² (32 + 2 x 2) / 3 x 3 x (2)² / 2³

[Base =10, sub-base = 3, deviation = 2]

= 9 x 36/9 x 4/8

= 324 / 36 / 8

= 324 /3 6 / 8

= 327 / 6 / 8

= 32768

4. 208

208³ = 2² (208 + 2 x 8)/2 x 3 x (8)² / (8)³

[Base = 100, sub-base = 2, deviation = 8]

= 4 (224) / 384 / 512

= 896 /384 / 512

= 899 / 84 /512

= 899 / 89 / 12

= 8998912

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