Whole numbers, integers and rational numbers ? which one or all is 0.16 ?

Rational

Step-by-step explanation:

It's an ending decimal, so it's rational. However, integers and whole numbers can't have decimals..

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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