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Multiply:\newline5×−9=5 \times -9 = _____\_\_\_\_\_

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Full solution

Q. Multiply:\newline5×−9=5 \times -9 = _____\_\_\_\_\_
  1. Check signs: Check the signs; 55 is positive and −9-9 is negative.
  2. Multiply numbers: Multiply the numbers without signs: 5×9=455 \times 9 = 45.
  3. Determine result sign: Since one number is positive and the other is negative, the answer is negative.
  4. Calculate final answer: So, 5×−9=−455 \times -9 = -45.

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