Question

Express in roster form. Set of B is the set of all elements x such that x is an element of natural numbers and x is a multiple of 8

Answer 1

`B = \{8, 16, 24, 32, 40, ...... \}`

Explanation:

Given

`x \to` element of natural number

`x \to` multiple of 8

Required

Express in roster form

`Natural`
`numbers` are 1, 2, 3, 4, 5, 6, ......

`Natural`
`numbers` that are multiples of 8 are 8, 16, 24, 32, 40, ......

So, the set in roster form is:

`B = \{8, 16, 24, 32, 40, ...... \}`