Question

If x and y are the integers most nearly equal to start cube root: 87: end cube root and x < start cube root: 87: end cube root < y, what is the value of xy ?

Answer 1

xy = 20  if x and y are the integers , x  < ∛87 < y

Step-by-step explanation:

x and y are the integers

x  < ∛87 < y

∛87 ≈ 4.3

x  < 4.3 < y

=> x = 4

y = 5

xy  = 4 * 5  = 20

Another way

1³ = 1

2³ = 8

3³ = 27

4³ = 64

5³  = 125

=>

64 < 87 < 125

4³ < (∛87)³ < 5³

4 < ∛87 < 5

xy  = 4 * 5  = 20

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