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Evaluate the expression, or state that the expression is not a real number.

squareroot 169-25

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

(Type an integer or a decimal.)

A. The expression is a real number. 169-25 = blank (And put the answer in integer or a decimal form.)

B. The expression is not a real number.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
2 months ago

To evaluate the expression \(\sqrt{169 - 25}\):

1. First, calculate \(169 - 25\):
\[
169 - 25 = 144
\]

2. Next, take the square root of \(144\):
\[
\sqrt{144} = 12
\]

Thus, the expression is a real number.

The correct choice is:

A. The expression is a real number. \(169 - 25 = 144\) (And the answer is \(12\)).