Question

Determine the value of b.

b3 = 216

b = 6
b = ±6
b = 72
b = ±72

Answer 1

b = 6

Explanation:

given

b³ = 216 ( take cube root of both sides )

`\sqrt[3]{b^3}` =
`\sqrt[3]{216}` =
`\sqrt[3]{6^3}` , that is

b = 6