Question

Evaluate −7×(−9).

a. 63
b. -63
c. 16
d. -16

Answer 1

When evaluating −7×(−9), by multiplying the absolute values of the negative numbers and considering the sign rules for multiplication, the result is a positive 63, making option a. 63 the correct answer.

Step-by-step explanation:

To evaluate −7×(−9), you should remember that multiplying two negative numbers results in a positive number. Here are the steps for this calculation:

1. Recognize that both numbers are negative.
2. Multiply the absolute values of the numbers: 7 × 9 = 63.
3. Since both numbers are negative, the result is positive.

Therefore, −7×(−9) equals 63.