Evaluate the expression.

4! • 3!

12
30
144
5,040

Option (c) is correct.

The given expression   is 144.

Step-by-step explanation:

Given : Expression

We have to evaluate the given expression  

Consider the given expression  

Apply factorial rule,

and

Thus, Multiply the numbers , we have,

Thus, The given expression   is 144.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.