Question

What is the smallest number to be divided so that the quotient of 17920 is a perfect cube?

Answer 1

Answer:

42

Step-by-step explanation:

2    8960  

/       \

2      4480  

/       \

2      2240  

/       \

2      1120  

/       \

2      560  

/       \

2      280  

/       \

2      140  

/       \

2      70  

/       \

5     35  

/       \

5      7  

/       \

7      1  

so we need to multiply 5

then divide the answer by

7

=2470

cubic root of 2470