Potato1001 Potato1001
  • 21-01-2020
  • Mathematics
contestada

(iii) Find the smallest whole number h such that
4704/h
is a cube number.
​

Respuesta :

frika
frika frika
  • 27-01-2020

Answer:

[tex]h=588[/tex]

Step-by-step explanation:

Given the fraction [tex]\dfrac{4,704}{h}[/tex]

Consider its numerator and factor it:

[tex]4,704=2^5\cdot 3\cdot 7^2[/tex]

You cann not take the cube root from [tex]3, 7^2, 2^5,[/tex] you can only take the cube root from [tex]2^3[/tex], then the smallest whole number [tex]h[/tex] such that [tex]\dfrac{4,704}{h}[/tex] is a cube number is

[tex]h=2^2\cdot 3\cdot 7^2=4\cdot 3\cdot 49=588[/tex]

When [tex]h=588,[/tex]

[tex]\dfrac{4,704}{588}=8=2^3[/tex]

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