Which expressions simplify to a rational answer? select each correct answer. a. 2√9⋅√4 b. √3⋅√16 c. √5⋅√5 d. 7√3⋅√3

Option A, C and D.

Step-by-step explanation:

Rational numbers : If a number expressed in the form of p/q, where p and q are two integers, q≠0, then the number is called rational number.

Irrational numbers : If a number can not be expressed in the form of p/q, where p and q are two integers, q≠0, then the number is called irrational number.

Simplify each expression.

      (Rational number)

      (Irrational number)

      (Rational number)

      (Rational number)

Therefore, the correct options are A, C and D.

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

step-by-step explanation: it is d