Question

Q# 7 please anybody help me

Answer 1

√42 is an irrational number, because you cannot express the answer as a fraction (ratio), and it certainly isn't a whole number or an integer.

Answer 2

Answer

The answer is D: irrational number

Explanation

Rational numbers are numbers that ca be written as a fraction. that is in form of a/b.

√42 = 6.480740698.......

√42 can not be written in the form of a/b, neither is it a whole number. So √42 is not a rational number.