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Answer:
-7
Step-by-step explanation:
√169 - 4² - 2²
/* evaluate the square root of 169 */
= 13 - 4² - 2²
/* evaluate the exponents */
= 13 - 16 - 4
/* Subtract the first two terms */
= -3 - 4
/* Evaluate the remaining terms */
= -7
Answer: -7