Question

excellence #2: multiply/ divide integers
show all work & circle your final answer.
multiplying and dividing integers
-20 × -5\t-19 ÷ -10\t-5× 4
-25 ÷ 5\t5 × (-7)\t-12 ÷ (-3)
-65 ÷ -5\t-50 ÷ 5\t-25 × 9
-35 ÷ -5\t-60 ÷ 5\t-15 × 9

Explanation:

1. $-20\times -5$

Step1: Recall sign rule for multiplication (negative × negative = positive)

Multiply the absolute values: $20\times5 = 100$

Step2: Apply the sign rule

Since both numbers are negative, the result is positive.

Step1: Recall sign rule for division (negative ÷ negative = positive)

Divide the absolute values: $19\div10 = 1.9$

Step2: Apply the sign rule

Since both numbers are negative, the result is positive.

Step1: Recall sign rule for multiplication (negative × positive = negative)

Multiply the absolute values: $5\times4 = 20$

Step2: Apply the sign rule

Since one number is negative and the other is positive, the result is negative.

Answer:

$100$

2. $-19\div -10$