Compute: -9+(-10) Answer:

Understand operation: Understand the operation. We need to add -9 and -10, which are both negative numbers. Predict sign of sum: Predict the sign of the sum. Since both numbers are negative, the sum will also be negative. Perform addition: Perform the addition. Add the absolute values of the numbers: 9 + 10 = 19. Apply predicted sign: Apply the predicted sign to the sum. The sum of two negative numbers is negative, so the result is -19. Verify result: Verify the result. Adding two negative numbers should result in a larger negative number, which is consistent with our result.

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Compute: $\newline$ $-9+(-10)$ $\newline$ Answer:

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Q. Compute:

\newline

-9+(-10)

\newline

Answer:

Understand operation: Understand the operation. We need to add $-9$ and $-10$ , which are both negative numbers.
Predict sign of sum: Predict the sign of the sum. Since both numbers are negative, the sum will also be negative.
Perform addition: Perform the addition. Add the absolute values of the numbers: $9 + 10 = 19$ .
Apply predicted sign: Apply the predicted sign to the sum. The sum of two negative numbers is negative, so the result is $-19$ .
Verify result: Verify the result. Adding two negative numbers should result in a larger negative number, which is consistent with our result.