For the first question,
Square-root 5 is NOT a rational number.
It’s irrational because, in decimal form, the number goes on forever and has no repeating numbers in decimal form.
Question 2
Pi is NOT rational.
Pi goes on forever and doesn’t repeat.
Answer: S^64
Step-by-step explanation:
S^4 - 4.4.4 = 64
The correct answer for the given expression is 99.22.
<h3>What is an expression?</h3>
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division
The expression will be solved as:-
E = 
E = 
E =
E = 99.22
Therefore the correct answer for the given expression is 99.22.
To know more about Expression follow
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Answer: an expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.
Step-by-step explanation: In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations. For example, 3x² − 2xy + c is an algebraic expression.